72221996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{21317}}^1$

素因数の和:21350

約数の個数: 36

約数和(自身を含む): 158776464

約数和(自身を除く): 86554468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 21317, 42634, 85268, 149219, 234487, 298438, 468974, 596876, 937948, 1641409, 2579357, 3282818, 5158714, 6565636, 10317428, 18055499, 36110998, 72221996]

約数ペア:

[(1, 72221996), (2, 36110998), (4, 18055499), (7, 10317428), (11, 6565636), (14, 5158714), (22, 3282818), (28, 2579357), (44, 1641409), (77, 937948), (121, 596876), (154, 468974), (242, 298438), (308, 234487), (484, 149219), (847, 85268), (1694, 42634), (3388, 21317)]