278026166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 491968512

約数和(自身を除く): 213942346

約数列:

[1, 2, 11, 22, 31, 41, 61, 62, 82, 122, 163, 326, 341, 451, 671, 682, 902, 1271, 1342, 1793, 1891, 2501, 2542, 3586, 3782, 5002, 5053, 6683, 9943, 10106, 13366, 13981, 19886, 20801, 27511, 27962, 41602, 55022, 55583, 73513, 77531, 109373, 111166, 147026, 155062, 207173, 218746, 308233, 407663, 414346, 616466, 815326, 852841, 1705682, 2278903, 3390563, 4484293, 4557806, 6781126, 8968586, 12637553, 25275106, 139013083, 278026166]

約数ペア:

[(1, 278026166), (2, 139013083), (11, 25275106), (22, 12637553), (31, 8968586), (41, 6781126), (61, 4557806), (62, 4484293), (82, 3390563), (122, 2278903), (163, 1705682), (326, 852841), (341, 815326), (451, 616466), (671, 414346), (682, 407663), (902, 308233), (1271, 218746), (1342, 207173), (1793, 155062), (1891, 147026), (2501, 111166), (2542, 109373), (3586, 77531), (3782, 73513), (5002, 55583), (5053, 55022), (6683, 41602), (9943, 27962), (10106, 27511), (13366, 20801), (13981, 19886)]