128457992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{1699}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 259896000

約数和(自身を除く): 131438008

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 727, 1454, 1699, 2908, 3398, 5816, 6796, 9451, 13592, 18902, 22087, 37804, 44174, 75608, 88348, 176696, 1235173, 2470346, 4940692, 9881384, 16057249, 32114498, 64228996, 128457992]

約数ペア:

[(1, 128457992), (2, 64228996), (4, 32114498), (8, 16057249), (13, 9881384), (26, 4940692), (52, 2470346), (104, 1235173), (727, 176696), (1454, 88348), (1699, 75608), (2908, 44174), (3398, 37804), (5816, 22087), (6796, 18902), (9451, 13592)]