80872379

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 101376000

約数和(自身を除く): 20503621

約数列:

[1, 7, 19, 43, 79, 133, 179, 301, 553, 817, 1253, 1501, 3397, 3401, 5719, 7697, 10507, 14141, 23779, 23807, 53879, 64543, 98987, 146243, 268679, 451801, 608063, 1023701, 1880753, 4256441, 11553197, 80872379]

約数ペア:

[(1, 80872379), (7, 11553197), (19, 4256441), (43, 1880753), (79, 1023701), (133, 608063), (179, 451801), (301, 268679), (553, 146243), (817, 98987), (1253, 64543), (1501, 53879), (3397, 23807), (3401, 23779), (5719, 14141), (7697, 10507)]