31717790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{907}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 61780320

約数和(自身を除く): 30062530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 907, 1345, 1814, 2690, 3497, 4535, 6994, 9070, 11791, 17485, 23582, 34970, 58955, 117910, 243983, 487966, 1219915, 2439830, 3171779, 6343558, 15858895, 31717790]

約数ペア:

[(1, 31717790), (2, 15858895), (5, 6343558), (10, 3171779), (13, 2439830), (26, 1219915), (65, 487966), (130, 243983), (269, 117910), (538, 58955), (907, 34970), (1345, 23582), (1814, 17485), (2690, 11791), (3497, 9070), (4535, 6994)]