28690688

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 63613368

約数和(自身を除く): 34922680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 233, 256, 296, 416, 466, 481, 592, 832, 932, 962, 1184, 1664, 1864, 1924, 2368, 3029, 3328, 3728, 3848, 4736, 6058, 7456, 7696, 8621, 9472, 12116, 14912, 15392, 17242, 24232, 29824, 30784, 34484, 48464, 59648, 61568, 68968, 96928, 112073, 123136, 137936, 193856, 224146, 275872, 387712, 448292, 551744, 775424, 896584, 1103488, 1793168, 2206976, 3586336, 7172672, 14345344, 28690688]

約数ペア:

[(1, 28690688), (2, 14345344), (4, 7172672), (8, 3586336), (13, 2206976), (16, 1793168), (26, 1103488), (32, 896584), (37, 775424), (52, 551744), (64, 448292), (74, 387712), (104, 275872), (128, 224146), (148, 193856), (208, 137936), (233, 123136), (256, 112073), (296, 96928), (416, 68968), (466, 61568), (481, 59648), (592, 48464), (832, 34484), (932, 30784), (962, 29824), (1184, 24232), (1664, 17242), (1864, 15392), (1924, 14912), (2368, 12116), (3029, 9472), (3328, 8621), (3728, 7696), (3848, 7456), (4736, 6058)]