128657048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{26321}}^1$

素因数の和:26387

約数の個数: 32

約数和(自身を含む): 265325760

約数和(自身を除く): 136668712

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4888, 26321, 52642, 105284, 210568, 342173, 684346, 1237087, 1368692, 2474174, 2737384, 4948348, 9896696, 16082131, 32164262, 64328524, 128657048]

約数ペア:

[(1, 128657048), (2, 64328524), (4, 32164262), (8, 16082131), (13, 9896696), (26, 4948348), (47, 2737384), (52, 2474174), (94, 1368692), (104, 1237087), (188, 684346), (376, 342173), (611, 210568), (1222, 105284), (2444, 52642), (4888, 26321)]