81913428

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{22091}}^1$

素因数の和:22204

約数の個数: 36

約数和(自身を含む): 209078688

約数和(自身を除く): 127165260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 22091, 44182, 66273, 88364, 132546, 198819, 265092, 397638, 795276, 2275373, 4550746, 6826119, 9101492, 13652238, 20478357, 27304476, 40956714, 81913428]

約数ペア:

[(1, 81913428), (2, 40956714), (3, 27304476), (4, 20478357), (6, 13652238), (9, 9101492), (12, 6826119), (18, 4550746), (36, 2275373), (103, 795276), (206, 397638), (309, 265092), (412, 198819), (618, 132546), (927, 88364), (1236, 66273), (1854, 44182), (3708, 22091)]