291256306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{569}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 487555200

約数和(自身を除く): 196298894

約数列:

[1, 2, 11, 22, 53, 106, 439, 569, 583, 878, 1138, 1166, 4829, 6259, 9658, 12518, 23267, 30157, 46534, 60314, 249791, 255937, 331727, 499582, 511874, 663454, 2747701, 5495402, 13238923, 26477846, 145628153, 291256306]

約数ペア:

[(1, 291256306), (2, 145628153), (11, 26477846), (22, 13238923), (53, 5495402), (106, 2747701), (439, 663454), (569, 511874), (583, 499582), (878, 331727), (1138, 255937), (1166, 249791), (4829, 60314), (6259, 46534), (9658, 30157), (12518, 23267)]