81781628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{3407}}^1$

素因数の和:3781

約数の個数: 24

約数和(自身を含む): 152010432

約数和(自身を除く): 70228804

約数列:

[1, 2, 4, 17, 34, 68, 353, 706, 1412, 3407, 6001, 6814, 12002, 13628, 24004, 57919, 115838, 231676, 1202671, 2405342, 4810684, 20445407, 40890814, 81781628]

約数ペア:

[(1, 81781628), (2, 40890814), (4, 20445407), (17, 4810684), (34, 2405342), (68, 1202671), (353, 231676), (706, 115838), (1412, 57919), (3407, 24004), (6001, 13628), (6814, 12002)]