218364872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2141}}^1$

素因数の和:2238

約数の個数: 64

約数和(自身を含む): 478094400

約数和(自身を除く): 259729528

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 61, 76, 88, 122, 152, 209, 244, 418, 488, 671, 836, 1159, 1342, 1672, 2141, 2318, 2684, 4282, 4636, 5368, 8564, 9272, 12749, 17128, 23551, 25498, 40679, 47102, 50996, 81358, 94204, 101992, 130601, 162716, 188408, 261202, 325432, 447469, 522404, 894938, 1044808, 1436611, 1789876, 2481419, 2873222, 3579752, 4962838, 5746444, 9925676, 11492888, 19851352, 27295609, 54591218, 109182436, 218364872]

約数ペア:

[(1, 218364872), (2, 109182436), (4, 54591218), (8, 27295609), (11, 19851352), (19, 11492888), (22, 9925676), (38, 5746444), (44, 4962838), (61, 3579752), (76, 2873222), (88, 2481419), (122, 1789876), (152, 1436611), (209, 1044808), (244, 894938), (418, 522404), (488, 447469), (671, 325432), (836, 261202), (1159, 188408), (1342, 162716), (1672, 130601), (2141, 101992), (2318, 94204), (2684, 81358), (4282, 50996), (4636, 47102), (5368, 40679), (8564, 25498), (9272, 23551), (12749, 17128)]