1447787978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{256609}}^1$

素因数の和:256662

約数の個数: 32

約数和(自身を含む): 2759070720

約数和(自身を除く): 1311282742

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 256609, 513218, 1796263, 3335917, 3592526, 6671834, 7954879, 15909758, 23351419, 46702838, 55684153, 103413427, 111368306, 206826854, 723893989, 1447787978]

約数ペア:

[(1, 1447787978), (2, 723893989), (7, 206826854), (13, 111368306), (14, 103413427), (26, 55684153), (31, 46702838), (62, 23351419), (91, 15909758), (182, 7954879), (217, 6671834), (403, 3592526), (434, 3335917), (806, 1796263), (2821, 513218), (5642, 256609)]