215831902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1637}}^1$

素因数の和:2124

約数の個数: 32

約数和(自身を含む): 381405024

約数和(自身を除く): 165573122

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 461, 922, 1637, 3274, 5071, 5993, 10142, 11986, 18007, 21281, 36014, 42562, 65923, 131846, 234091, 468182, 754657, 1509314, 8301227, 9810541, 16602454, 19621082, 107915951, 215831902]

約数ペア:

[(1, 215831902), (2, 107915951), (11, 19621082), (13, 16602454), (22, 9810541), (26, 8301227), (143, 1509314), (286, 754657), (461, 468182), (922, 234091), (1637, 131846), (3274, 65923), (5071, 42562), (5993, 36014), (10142, 21281), (11986, 18007)]