81001216

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{13757}}^1$

素因数の和:13796

約数の個数: 36

約数和(自身を含む): 168728112

約数和(自身を除く): 87726896

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 5888, 13757, 27514, 55028, 110056, 220112, 316411, 440224, 632822, 880448, 1265644, 1760896, 2531288, 3521792, 5062576, 10125152, 20250304, 40500608, 81001216]

約数ペア:

[(1, 81001216), (2, 40500608), (4, 20250304), (8, 10125152), (16, 5062576), (23, 3521792), (32, 2531288), (46, 1760896), (64, 1265644), (92, 880448), (128, 632822), (184, 440224), (256, 316411), (368, 220112), (736, 110056), (1472, 55028), (2944, 27514), (5888, 13757)]