638467986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1\times {\mathrm{5527}}^1$

素因数の和:7026

約数の個数: 32

約数和(自身を含む): 1376339328

約数和(自身を除く): 737871342

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1481, 2962, 4443, 5527, 8886, 11054, 16581, 19253, 33162, 38506, 57759, 71851, 115518, 143702, 215553, 431106, 8185487, 16370974, 24556461, 49112922, 106411331, 212822662, 319233993, 638467986]

約数ペア:

[(1, 638467986), (2, 319233993), (3, 212822662), (6, 106411331), (13, 49112922), (26, 24556461), (39, 16370974), (78, 8185487), (1481, 431106), (2962, 215553), (4443, 143702), (5527, 115518), (8886, 71851), (11054, 57759), (16581, 38506), (19253, 33162)]