28294490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{653}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 58389120

約数和(自身を除く): 30094630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 619, 653, 1238, 1306, 3095, 3265, 4333, 4571, 6190, 6530, 8666, 9142, 21665, 22855, 43330, 45710, 404207, 808414, 2021035, 2829449, 4042070, 5658898, 14147245, 28294490]

約数ペア:

[(1, 28294490), (2, 14147245), (5, 5658898), (7, 4042070), (10, 2829449), (14, 2021035), (35, 808414), (70, 404207), (619, 45710), (653, 43330), (1238, 22855), (1306, 21665), (3095, 9142), (3265, 8666), (4333, 6530), (4571, 6190)]