221520962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1667}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 378302400

約数和(自身を除く): 156781438

約数列:

[1, 2, 13, 19, 26, 38, 247, 269, 494, 538, 1667, 3334, 3497, 5111, 6994, 10222, 21671, 31673, 43342, 63346, 66443, 132886, 411749, 448423, 823498, 896846, 5829499, 8520037, 11658998, 17040074, 110760481, 221520962]

約数ペア:

[(1, 221520962), (2, 110760481), (13, 17040074), (19, 11658998), (26, 8520037), (38, 5829499), (247, 896846), (269, 823498), (494, 448423), (538, 411749), (1667, 132886), (3334, 66443), (3497, 63346), (5111, 43342), (6994, 31673), (10222, 21671)]