7988890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8779}}^1$

素因数の和:8806

約数の個数: 32

約数和(自身を含む): 17700480

約数和(自身を除く): 9711590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 8779, 17558, 43895, 61453, 87790, 114127, 122906, 228254, 307265, 570635, 614530, 798889, 1141270, 1597778, 3994445, 7988890]

約数ペア:

[(1, 7988890), (2, 3994445), (5, 1597778), (7, 1141270), (10, 798889), (13, 614530), (14, 570635), (26, 307265), (35, 228254), (65, 122906), (70, 114127), (91, 87790), (130, 61453), (182, 43895), (455, 17558), (910, 8779)]