173287790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{70157}}^1$

素因数の和:70196

約数の個数: 32

約数和(自身を含む): 353596320

約数和(自身を除く): 180308530

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 70157, 140314, 350785, 701570, 912041, 1332983, 1824082, 2665966, 4560205, 6664915, 9120410, 13329830, 17328779, 34657558, 86643895, 173287790]

約数ペア:

[(1, 173287790), (2, 86643895), (5, 34657558), (10, 17328779), (13, 13329830), (19, 9120410), (26, 6664915), (38, 4560205), (65, 2665966), (95, 1824082), (130, 1332983), (190, 912041), (247, 701570), (494, 350785), (1235, 140314), (2470, 70157)]