28875392

素因数分解:

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

素因数の和:138

約数の個数: 128

約数和(自身を含む): 73799040

約数和(自身を除く): 44923648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 64, 67, 74, 91, 104, 112, 128, 134, 148, 182, 208, 224, 259, 268, 296, 364, 416, 448, 469, 481, 518, 536, 592, 728, 832, 871, 896, 938, 962, 1036, 1072, 1184, 1456, 1664, 1742, 1876, 1924, 2072, 2144, 2368, 2479, 2912, 3367, 3484, 3752, 3848, 4144, 4288, 4736, 4958, 5824, 6097, 6734, 6968, 7504, 7696, 8288, 8576, 9916, 11648, 12194, 13468, 13936, 15008, 15392, 16576, 17353, 19832, 24388, 26936, 27872, 30016, 30784, 32227, 33152, 34706, 39664, 48776, 53872, 55744, 60032, 61568, 64454, 69412, 79328, 97552, 107744, 111488, 128908, 138824, 158656, 195104, 215488, 225589, 257816, 277648, 317312, 390208, 430976, 451178, 515632, 555296, 780416, 902356, 1031264, 1110592, 1804712, 2062528, 2221184, 3609424, 4125056, 7218848, 14437696, 28875392]

約数ペア:

[(1, 28875392), (2, 14437696), (4, 7218848), (7, 4125056), (8, 3609424), (13, 2221184), (14, 2062528), (16, 1804712), (26, 1110592), (28, 1031264), (32, 902356), (37, 780416), (52, 555296), (56, 515632), (64, 451178), (67, 430976), (74, 390208), (91, 317312), (104, 277648), (112, 257816), (128, 225589), (134, 215488), (148, 195104), (182, 158656), (208, 138824), (224, 128908), (259, 111488), (268, 107744), (296, 97552), (364, 79328), (416, 69412), (448, 64454), (469, 61568), (481, 60032), (518, 55744), (536, 53872), (592, 48776), (728, 39664), (832, 34706), (871, 33152), (896, 32227), (938, 30784), (962, 30016), (1036, 27872), (1072, 26936), (1184, 24388), (1456, 19832), (1664, 17353), (1742, 16576), (1876, 15392), (1924, 15008), (2072, 13936), (2144, 13468), (2368, 12194), (2479, 11648), (2912, 9916), (3367, 8576), (3484, 8288), (3752, 7696), (3848, 7504), (4144, 6968), (4288, 6734), (4736, 6097), (4958, 5824)]