263487952

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 663901952

約数和(自身を除く): 400414000

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 67, 73, 74, 91, 104, 112, 134, 146, 148, 182, 208, 259, 268, 292, 296, 364, 469, 481, 511, 518, 536, 584, 592, 728, 871, 938, 949, 962, 1022, 1036, 1072, 1168, 1456, 1742, 1876, 1898, 1924, 2044, 2072, 2479, 2701, 3367, 3484, 3752, 3796, 3848, 4088, 4144, 4891, 4958, 5402, 6097, 6643, 6734, 6968, 7504, 7592, 7696, 8176, 9782, 9916, 10804, 12194, 13286, 13468, 13936, 15184, 17353, 18907, 19564, 19832, 21608, 24388, 26572, 26936, 32227, 34237, 34706, 35113, 37814, 39128, 39664, 43216, 48776, 53144, 53872, 63583, 64454, 68474, 69412, 70226, 75628, 78256, 97552, 106288, 127166, 128908, 136948, 138824, 140452, 151256, 180967, 225589, 245791, 254332, 257816, 273896, 277648, 280904, 302512, 361934, 445081, 451178, 491582, 508664, 515632, 547792, 561808, 723868, 890162, 902356, 983164, 1017328, 1266769, 1447736, 1780324, 1804712, 1966328, 2352571, 2533538, 2895472, 3560648, 3609424, 3932656, 4705142, 5067076, 7121296, 9410284, 10134152, 16467997, 18820568, 20268304, 32935994, 37641136, 65871988, 131743976, 263487952]

約数ペア:

[(1, 263487952), (2, 131743976), (4, 65871988), (7, 37641136), (8, 32935994), (13, 20268304), (14, 18820568), (16, 16467997), (26, 10134152), (28, 9410284), (37, 7121296), (52, 5067076), (56, 4705142), (67, 3932656), (73, 3609424), (74, 3560648), (91, 2895472), (104, 2533538), (112, 2352571), (134, 1966328), (146, 1804712), (148, 1780324), (182, 1447736), (208, 1266769), (259, 1017328), (268, 983164), (292, 902356), (296, 890162), (364, 723868), (469, 561808), (481, 547792), (511, 515632), (518, 508664), (536, 491582), (584, 451178), (592, 445081), (728, 361934), (871, 302512), (938, 280904), (949, 277648), (962, 273896), (1022, 257816), (1036, 254332), (1072, 245791), (1168, 225589), (1456, 180967), (1742, 151256), (1876, 140452), (1898, 138824), (1924, 136948), (2044, 128908), (2072, 127166), (2479, 106288), (2701, 97552), (3367, 78256), (3484, 75628), (3752, 70226), (3796, 69412), (3848, 68474), (4088, 64454), (4144, 63583), (4891, 53872), (4958, 53144), (5402, 48776), (6097, 43216), (6643, 39664), (6734, 39128), (6968, 37814), (7504, 35113), (7592, 34706), (7696, 34237), (8176, 32227), (9782, 26936), (9916, 26572), (10804, 24388), (12194, 21608), (13286, 19832), (13468, 19564), (13936, 18907), (15184, 17353)]