291225407

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 347120640

約数和(自身を除く): 55895233

約数列:

[1, 11, 19, 53, 61, 209, 431, 583, 671, 1007, 1159, 3233, 4741, 8189, 11077, 12749, 22843, 26291, 35563, 61427, 90079, 251273, 289201, 434017, 499529, 675697, 1393423, 4774187, 5494819, 15327653, 26475037, 291225407]

約数ペア:

[(1, 291225407), (11, 26475037), (19, 15327653), (53, 5494819), (61, 4774187), (209, 1393423), (431, 675697), (583, 499529), (671, 434017), (1007, 289201), (1159, 251273), (3233, 90079), (4741, 61427), (8189, 35563), (11077, 26291), (12749, 22843)]