81644728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{3449}}^1$

素因数の和:3735

約数の個数: 32

約数和(自身を含む): 167670000

約数和(自身を除く): 86025272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 269, 538, 1076, 2152, 2959, 3449, 5918, 6898, 11836, 13796, 23672, 27592, 37939, 75878, 151756, 303512, 927781, 1855562, 3711124, 7422248, 10205591, 20411182, 40822364, 81644728]

約数ペア:

[(1, 81644728), (2, 40822364), (4, 20411182), (8, 10205591), (11, 7422248), (22, 3711124), (44, 1855562), (88, 927781), (269, 303512), (538, 151756), (1076, 75878), (2152, 37939), (2959, 27592), (3449, 23672), (5918, 13796), (6898, 11836)]