31537870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4985

約数の個数: 48

約数和(自身を含む): 71130528

約数和(自身を除く): 39592658

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4951, 6370, 9902, 24755, 34657, 49510, 64363, 69314, 128726, 173285, 242599, 321815, 346570, 450541, 485198, 643630, 901082, 1212995, 2252705, 2425990, 3153787, 4505410, 6307574, 15768935, 31537870]

約数ペア:

[(1, 31537870), (2, 15768935), (5, 6307574), (7, 4505410), (10, 3153787), (13, 2425990), (14, 2252705), (26, 1212995), (35, 901082), (49, 643630), (65, 485198), (70, 450541), (91, 346570), (98, 321815), (130, 242599), (182, 173285), (245, 128726), (455, 69314), (490, 64363), (637, 49510), (910, 34657), (1274, 24755), (3185, 9902), (4951, 6370)]