1405696

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 54

約数和(自身を含む): 3137540

約数和(自身を除く): 1731844

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 289, 304, 323, 544, 578, 608, 646, 1088, 1156, 1216, 1292, 2176, 2312, 2432, 2584, 4352, 4624, 4864, 5168, 5491, 9248, 10336, 10982, 18496, 20672, 21964, 36992, 41344, 43928, 73984, 82688, 87856, 175712, 351424, 702848, 1405696]

約数ペア:

[(1, 1405696), (2, 702848), (4, 351424), (8, 175712), (16, 87856), (17, 82688), (19, 73984), (32, 43928), (34, 41344), (38, 36992), (64, 21964), (68, 20672), (76, 18496), (128, 10982), (136, 10336), (152, 9248), (256, 5491), (272, 5168), (289, 4864), (304, 4624), (323, 4352), (544, 2584), (578, 2432), (608, 2312), (646, 2176), (1088, 1292), (1156, 1216)]