201181538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 325128000

約数和(自身を除く): 123946462

約数列:

[1, 2, 19, 38, 61, 122, 229, 379, 458, 758, 1159, 2318, 4351, 7201, 8702, 13969, 14402, 23119, 27938, 46238, 86791, 173582, 265411, 439261, 530822, 878522, 1649029, 3298058, 5294251, 10588502, 100590769, 201181538]

約数ペア:

[(1, 201181538), (2, 100590769), (19, 10588502), (38, 5294251), (61, 3298058), (122, 1649029), (229, 878522), (379, 530822), (458, 439261), (758, 265411), (1159, 173582), (2318, 86791), (4351, 46238), (7201, 27938), (8702, 23119), (13969, 14402)]