31013970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 80728704

約数和(自身を除く): 49714734

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 281, 283, 390, 562, 566, 843, 849, 1405, 1415, 1686, 1698, 2810, 2830, 3653, 3679, 4215, 4245, 7306, 7358, 8430, 8490, 10959, 11037, 18265, 18395, 21918, 22074, 36530, 36790, 54795, 55185, 79523, 109590, 110370, 159046, 238569, 397615, 477138, 795230, 1033799, 1192845, 2067598, 2385690, 3101397, 5168995, 6202794, 10337990, 15506985, 31013970]

約数ペア:

[(1, 31013970), (2, 15506985), (3, 10337990), (5, 6202794), (6, 5168995), (10, 3101397), (13, 2385690), (15, 2067598), (26, 1192845), (30, 1033799), (39, 795230), (65, 477138), (78, 397615), (130, 238569), (195, 159046), (281, 110370), (283, 109590), (390, 79523), (562, 55185), (566, 54795), (843, 36790), (849, 36530), (1405, 22074), (1415, 21918), (1686, 18395), (1698, 18265), (2810, 11037), (2830, 10959), (3653, 8490), (3679, 8430), (4215, 7358), (4245, 7306)]