213718390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73951}}^1$

素因数の和:73992

約数の個数: 24

約数和(自身を含む): 408658752

約数和(自身を除く): 194940362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 73951, 147902, 369755, 739510, 1257167, 2514334, 6285835, 12571670, 21371839, 42743678, 106859195, 213718390]

約数ペア:

[(1, 213718390), (2, 106859195), (5, 42743678), (10, 21371839), (17, 12571670), (34, 6285835), (85, 2514334), (170, 1257167), (289, 739510), (578, 369755), (1445, 147902), (2890, 73951)]