81999974

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{44711}}^1$

素因数の和:44851

約数の個数: 16

約数和(自身を含む): 141647616

約数和(自身を除く): 59647642

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 44711, 89422, 312977, 625954, 5857141, 11714282, 40999987, 81999974]

約数ペア:

[(1, 81999974), (2, 40999987), (7, 11714282), (14, 5857141), (131, 625954), (262, 312977), (917, 89422), (1834, 44711)]