380677787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1667}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 489991680

約数和(自身を除く): 109313893

約数列:

[1, 7, 17, 19, 101, 119, 133, 323, 707, 1667, 1717, 1919, 2261, 11669, 12019, 13433, 28339, 31673, 32623, 168367, 198373, 221711, 228361, 538441, 1178569, 2862239, 3198973, 3769087, 20035673, 22392811, 54382541, 380677787]

約数ペア:

[(1, 380677787), (7, 54382541), (17, 22392811), (19, 20035673), (101, 3769087), (119, 3198973), (133, 2862239), (323, 1178569), (707, 538441), (1667, 228361), (1717, 221711), (1919, 198373), (2261, 168367), (11669, 32623), (12019, 31673), (13433, 28339)]