138431410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{4691}}^1$

素因数の和:4938

約数の個数: 32

約数和(自身を含む): 269583552

約数和(自身を除く): 131152142

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 1135, 2270, 2951, 4691, 5902, 9382, 14755, 23455, 29510, 46910, 60983, 121966, 304915, 609830, 1064857, 2129714, 5324285, 10648570, 13843141, 27686282, 69215705, 138431410]

約数ペア:

[(1, 138431410), (2, 69215705), (5, 27686282), (10, 13843141), (13, 10648570), (26, 5324285), (65, 2129714), (130, 1064857), (227, 609830), (454, 304915), (1135, 121966), (2270, 60983), (2951, 46910), (4691, 29510), (5902, 23455), (9382, 14755)]