72557639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 94556160

約数和(自身を除く): 21998521

約数列:

[1, 7, 11, 31, 77, 113, 217, 269, 341, 791, 1243, 1883, 2387, 2959, 3503, 8339, 8701, 20713, 24521, 30397, 38533, 58373, 91729, 212779, 269731, 334367, 642103, 942307, 2340569, 6596149, 10365377, 72557639]

約数ペア:

[(1, 72557639), (7, 10365377), (11, 6596149), (31, 2340569), (77, 942307), (113, 642103), (217, 334367), (269, 269731), (341, 212779), (791, 91729), (1243, 58373), (1883, 38533), (2387, 30397), (2959, 24521), (3503, 20713), (8339, 8701)]