128475494

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7603}}^1$

素因数の和:7700

約数の個数: 32

約数和(自身を含む): 236514816

約数和(自身を除く): 108039322

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 2414, 7603, 8449, 15206, 16898, 53221, 106442, 129251, 258502, 539813, 904757, 1079626, 1809514, 3778691, 7557382, 9176821, 18353642, 64237747, 128475494]

約数ペア:

[(1, 128475494), (2, 64237747), (7, 18353642), (14, 9176821), (17, 7557382), (34, 3778691), (71, 1809514), (119, 1079626), (142, 904757), (238, 539813), (497, 258502), (994, 129251), (1207, 106442), (2414, 53221), (7603, 16898), (8449, 15206)]