208026775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{12401}}^1$

素因数の和:12483

約数の個数: 24

約数和(自身を含む): 286039728

約数和(自身を除く): 78012953

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 3355, 12401, 16775, 62005, 136411, 310025, 682055, 756461, 3410275, 3782305, 8321071, 18911525, 41605355, 208026775]

約数ペア:

[(1, 208026775), (5, 41605355), (11, 18911525), (25, 8321071), (55, 3782305), (61, 3410275), (275, 756461), (305, 682055), (671, 310025), (1525, 136411), (3355, 62005), (12401, 16775)]