1312131490

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1\times {\mathrm{1163}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 2378471040

約数和(自身を除く): 1066339550

約数列:

[1, 2, 5, 10, 257, 439, 514, 878, 1163, 1285, 2195, 2326, 2570, 4390, 5815, 11630, 112823, 225646, 298891, 510557, 564115, 597782, 1021114, 1128230, 1494455, 2552785, 2988910, 5105570, 131213149, 262426298, 656065745, 1312131490]

約数ペア:

[(1, 1312131490), (2, 656065745), (5, 262426298), (10, 131213149), (257, 5105570), (439, 2988910), (514, 2552785), (878, 1494455), (1163, 1128230), (1285, 1021114), (2195, 597782), (2326, 564115), (2570, 510557), (4390, 298891), (5815, 225646), (11630, 112823)]