209207735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 281124864

約数和(自身を除く): 71917129

約数列:

[1, 5, 11, 55, 61, 127, 305, 491, 635, 671, 1397, 2455, 3355, 5401, 6985, 7747, 27005, 29951, 38735, 62357, 85217, 149755, 311785, 329461, 426085, 685927, 1647305, 3429635, 3803777, 19018885, 41841547, 209207735]

約数ペア:

[(1, 209207735), (5, 41841547), (11, 19018885), (55, 3803777), (61, 3429635), (127, 1647305), (305, 685927), (491, 426085), (635, 329461), (671, 311785), (1397, 149755), (2455, 85217), (3355, 62357), (5401, 38735), (6985, 29951), (7747, 27005)]