72478516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149749}}^1$

素因数の和:149775

約数の個数: 18

約数和(自身を含む): 139417250

約数和(自身を除く): 66938734

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 149749, 299498, 598996, 1647239, 3294478, 6588956, 18119629, 36239258, 72478516]

約数ペア:

[(1, 72478516), (2, 36239258), (4, 18119629), (11, 6588956), (22, 3294478), (44, 1647239), (121, 598996), (242, 299498), (484, 149749)]