351621790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{142357}}^1$

素因数の和:142396

約数の個数: 32

約数和(自身を含む): 717484320

約数和(自身を除く): 365862530

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 142357, 284714, 711785, 1423570, 1850641, 2704783, 3701282, 5409566, 9253205, 13523915, 18506410, 27047830, 35162179, 70324358, 175810895, 351621790]

約数ペア:

[(1, 351621790), (2, 175810895), (5, 70324358), (10, 35162179), (13, 27047830), (19, 18506410), (26, 13523915), (38, 9253205), (65, 5409566), (95, 3701282), (130, 2704783), (190, 1850641), (247, 1423570), (494, 711785), (1235, 284714), (2470, 142357)]