256484992

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 525903840

約数和(自身を除く): 269418848

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 107, 122, 128, 214, 244, 307, 428, 488, 614, 856, 976, 1228, 1712, 1952, 2456, 3424, 3904, 4912, 6527, 6848, 7808, 9824, 13054, 13696, 18727, 19648, 26108, 32849, 37454, 39296, 52216, 65698, 74908, 104432, 131396, 149816, 208864, 262792, 299632, 417728, 525584, 599264, 835456, 1051168, 1198528, 2003789, 2102336, 2397056, 4007578, 4204672, 8015156, 16030312, 32060624, 64121248, 128242496, 256484992]

約数ペア:

[(1, 256484992), (2, 128242496), (4, 64121248), (8, 32060624), (16, 16030312), (32, 8015156), (61, 4204672), (64, 4007578), (107, 2397056), (122, 2102336), (128, 2003789), (214, 1198528), (244, 1051168), (307, 835456), (428, 599264), (488, 525584), (614, 417728), (856, 299632), (976, 262792), (1228, 208864), (1712, 149816), (1952, 131396), (2456, 104432), (3424, 74908), (3904, 65698), (4912, 52216), (6527, 39296), (6848, 37454), (7808, 32849), (9824, 26108), (13054, 19648), (13696, 18727)]