420778878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{32303}}^1$

素因数の和:32488

約数の個数: 32

約数和(自身を含む): 911748096

約数和(自身を除く): 490969218

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 167, 334, 501, 1002, 2171, 4342, 6513, 13026, 32303, 64606, 96909, 193818, 419939, 839878, 1259817, 2519634, 5394601, 10789202, 16183803, 32367606, 70129813, 140259626, 210389439, 420778878]

約数ペア:

[(1, 420778878), (2, 210389439), (3, 140259626), (6, 70129813), (13, 32367606), (26, 16183803), (39, 10789202), (78, 5394601), (167, 2519634), (334, 1259817), (501, 839878), (1002, 419939), (2171, 193818), (4342, 96909), (6513, 64606), (13026, 32303)]