156719885

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 232943040

約数和(自身を除く): 76223155

約数列:

[1, 5, 7, 19, 35, 49, 95, 131, 133, 245, 257, 655, 665, 917, 931, 1285, 1799, 2489, 4585, 4655, 4883, 6419, 8995, 12445, 12593, 17423, 24415, 32095, 33667, 34181, 62965, 87115, 121961, 168335, 170905, 235669, 239267, 609805, 639673, 1178345, 1196335, 1649683, 3198365, 4477711, 8248415, 22388555, 31343977, 156719885]

約数ペア:

[(1, 156719885), (5, 31343977), (7, 22388555), (19, 8248415), (35, 4477711), (49, 3198365), (95, 1649683), (131, 1196335), (133, 1178345), (245, 639673), (257, 609805), (655, 239267), (665, 235669), (917, 170905), (931, 168335), (1285, 121961), (1799, 87115), (2489, 62965), (4585, 34181), (4655, 33667), (4883, 32095), (6419, 24415), (8995, 17423), (12445, 12593)]