1657397730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{778121}}^1$

素因数の和:778202

約数の個数: 32

約数和(自身を含む): 4033784448

約数和(自身を除く): 2376386718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 778121, 1556242, 2334363, 3890605, 4668726, 7781210, 11671815, 23343630, 55246591, 110493182, 165739773, 276232955, 331479546, 552465910, 828698865, 1657397730]

約数ペア:

[(1, 1657397730), (2, 828698865), (3, 552465910), (5, 331479546), (6, 276232955), (10, 165739773), (15, 110493182), (30, 55246591), (71, 23343630), (142, 11671815), (213, 7781210), (355, 4668726), (426, 3890605), (710, 2334363), (1065, 1556242), (2130, 778121)]