128703872

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 312854400

約数和(自身を除く): 184150528

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 64, 68, 76, 88, 128, 136, 152, 176, 187, 209, 272, 283, 304, 323, 352, 374, 418, 544, 566, 608, 646, 704, 748, 836, 1088, 1132, 1216, 1292, 1408, 1496, 1672, 2176, 2264, 2432, 2584, 2992, 3113, 3344, 3553, 4528, 4811, 5168, 5377, 5984, 6226, 6688, 7106, 9056, 9622, 10336, 10754, 11968, 12452, 13376, 14212, 18112, 19244, 20672, 21508, 23936, 24904, 26752, 28424, 36224, 38488, 41344, 43016, 49808, 52921, 56848, 59147, 76976, 86032, 91409, 99616, 105842, 113696, 118294, 153952, 172064, 182818, 199232, 211684, 227392, 236588, 307904, 344128, 365636, 398464, 423368, 454784, 473176, 615808, 688256, 731272, 846736, 946352, 1005499, 1462544, 1693472, 1892704, 2010998, 2925088, 3386944, 3785408, 4021996, 5850176, 6773888, 7570816, 8043992, 11700352, 16087984, 32175968, 64351936, 128703872]

約数ペア:

[(1, 128703872), (2, 64351936), (4, 32175968), (8, 16087984), (11, 11700352), (16, 8043992), (17, 7570816), (19, 6773888), (22, 5850176), (32, 4021996), (34, 3785408), (38, 3386944), (44, 2925088), (64, 2010998), (68, 1892704), (76, 1693472), (88, 1462544), (128, 1005499), (136, 946352), (152, 846736), (176, 731272), (187, 688256), (209, 615808), (272, 473176), (283, 454784), (304, 423368), (323, 398464), (352, 365636), (374, 344128), (418, 307904), (544, 236588), (566, 227392), (608, 211684), (646, 199232), (704, 182818), (748, 172064), (836, 153952), (1088, 118294), (1132, 113696), (1216, 105842), (1292, 99616), (1408, 91409), (1496, 86032), (1672, 76976), (2176, 59147), (2264, 56848), (2432, 52921), (2584, 49808), (2992, 43016), (3113, 41344), (3344, 38488), (3553, 36224), (4528, 28424), (4811, 26752), (5168, 24904), (5377, 23936), (5984, 21508), (6226, 20672), (6688, 19244), (7106, 18112), (9056, 14212), (9622, 13376), (10336, 12452), (10754, 11968)]