278003792

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{3881}}^1$

素因数の和:3948

約数の個数: 60

約数和(自身を含む): 608208468

約数和(自身を除く): 330204676

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 121, 148, 176, 242, 296, 407, 484, 592, 814, 968, 1628, 1936, 3256, 3881, 4477, 6512, 7762, 8954, 15524, 17908, 31048, 35816, 42691, 62096, 71632, 85382, 143597, 170764, 287194, 341528, 469601, 574388, 683056, 939202, 1148776, 1579567, 1878404, 2297552, 3159134, 3756808, 6318268, 7513616, 12636536, 17375237, 25273072, 34750474, 69500948, 139001896, 278003792]

約数ペア:

[(1, 278003792), (2, 139001896), (4, 69500948), (8, 34750474), (11, 25273072), (16, 17375237), (22, 12636536), (37, 7513616), (44, 6318268), (74, 3756808), (88, 3159134), (121, 2297552), (148, 1878404), (176, 1579567), (242, 1148776), (296, 939202), (407, 683056), (484, 574388), (592, 469601), (814, 341528), (968, 287194), (1628, 170764), (1936, 143597), (3256, 85382), (3881, 71632), (4477, 62096), (6512, 42691), (7762, 35816), (8954, 31048), (15524, 17908)]