217511392

素因数分解:

$2^5\times 7^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 120

約数和(自身を含む): 529389000

約数和(自身を除く): 311877608

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 149, 152, 196, 224, 266, 298, 304, 343, 392, 532, 596, 608, 686, 784, 931, 1043, 1064, 1192, 1372, 1568, 1862, 2086, 2128, 2384, 2401, 2744, 2831, 3724, 4172, 4256, 4768, 4802, 5488, 5662, 6517, 7301, 7448, 8344, 9604, 10976, 11324, 13034, 14602, 14896, 16688, 19208, 19817, 22648, 26068, 29204, 29792, 33376, 38416, 39634, 45296, 45619, 51107, 52136, 58408, 76832, 79268, 90592, 91238, 102214, 104272, 116816, 138719, 158536, 182476, 204428, 208544, 233632, 277438, 317072, 357749, 364952, 408856, 554876, 634144, 715498, 729904, 817712, 971033, 1109752, 1430996, 1459808, 1635424, 1942066, 2219504, 2861992, 3884132, 4439008, 5723984, 6797231, 7768264, 11447968, 13594462, 15536528, 27188924, 31073056, 54377848, 108755696, 217511392]

約数ペア:

[(1, 217511392), (2, 108755696), (4, 54377848), (7, 31073056), (8, 27188924), (14, 15536528), (16, 13594462), (19, 11447968), (28, 7768264), (32, 6797231), (38, 5723984), (49, 4439008), (56, 3884132), (76, 2861992), (98, 2219504), (112, 1942066), (133, 1635424), (149, 1459808), (152, 1430996), (196, 1109752), (224, 971033), (266, 817712), (298, 729904), (304, 715498), (343, 634144), (392, 554876), (532, 408856), (596, 364952), (608, 357749), (686, 317072), (784, 277438), (931, 233632), (1043, 208544), (1064, 204428), (1192, 182476), (1372, 158536), (1568, 138719), (1862, 116816), (2086, 104272), (2128, 102214), (2384, 91238), (2401, 90592), (2744, 79268), (2831, 76832), (3724, 58408), (4172, 52136), (4256, 51107), (4768, 45619), (4802, 45296), (5488, 39634), (5662, 38416), (6517, 33376), (7301, 29792), (7448, 29204), (8344, 26068), (9604, 22648), (10976, 19817), (11324, 19208), (13034, 16688), (14602, 14896)]