221513610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103997}}^1$

素因数の和:104078

約数の個数: 32

約数和(自身を含む): 539125632

約数和(自身を除く): 317612022

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 103997, 207994, 311991, 519985, 623982, 1039970, 1559955, 3119910, 7383787, 14767574, 22151361, 36918935, 44302722, 73837870, 110756805, 221513610]

約数ペア:

[(1, 221513610), (2, 110756805), (3, 73837870), (5, 44302722), (6, 36918935), (10, 22151361), (15, 14767574), (30, 7383787), (71, 3119910), (142, 1559955), (213, 1039970), (355, 623982), (426, 519985), (710, 311991), (1065, 207994), (2130, 103997)]