257756208

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{145133}}^1$

素因数の和:145181

約数の個数: 40

約数和(自身を含む): 683871408

約数和(自身を除く): 426115200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 145133, 290266, 435399, 580532, 870798, 1161064, 1741596, 2322128, 3483192, 5369921, 6966384, 10739842, 16109763, 21479684, 32219526, 42959368, 64439052, 85918736, 128878104, 257756208]

約数ペア:

[(1, 257756208), (2, 128878104), (3, 85918736), (4, 64439052), (6, 42959368), (8, 32219526), (12, 21479684), (16, 16109763), (24, 10739842), (37, 6966384), (48, 5369921), (74, 3483192), (111, 2322128), (148, 1741596), (222, 1161064), (296, 870798), (444, 580532), (592, 435399), (888, 290266), (1776, 145133)]