147643585

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 188540136

約数和(自身を除く): 40896551

約数列:

[1, 5, 19, 95, 157, 361, 521, 785, 1805, 2605, 2983, 9899, 14915, 49495, 56677, 81797, 188081, 283385, 408985, 940405, 1554143, 7770715, 29528717, 147643585]

約数ペア:

[(1, 147643585), (5, 29528717), (19, 7770715), (95, 1554143), (157, 940405), (361, 408985), (521, 283385), (785, 188081), (1805, 81797), (2605, 56677), (2983, 49495), (9899, 14915)]