208528988

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{12037}}^1$

素因数の和:12173

約数の個数: 24

約数和(自身を含む): 376163424

約数和(自身を除く): 167634436

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 4331, 8662, 12037, 17324, 24074, 48148, 734257, 854627, 1468514, 1709254, 2937028, 3418508, 52132247, 104264494, 208528988]

約数ペア:

[(1, 208528988), (2, 104264494), (4, 52132247), (61, 3418508), (71, 2937028), (122, 1709254), (142, 1468514), (244, 854627), (284, 734257), (4331, 48148), (8662, 24074), (12037, 17324)]