16557380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 39989376

約数和(自身を除く): 23431996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 521, 908, 1042, 1135, 1589, 2084, 2270, 2605, 3178, 3647, 4540, 5210, 6356, 7294, 7945, 10420, 14588, 15890, 18235, 31780, 36470, 72940, 118267, 236534, 473068, 591335, 827869, 1182670, 1655738, 2365340, 3311476, 4139345, 8278690, 16557380]

約数ペア:

[(1, 16557380), (2, 8278690), (4, 4139345), (5, 3311476), (7, 2365340), (10, 1655738), (14, 1182670), (20, 827869), (28, 591335), (35, 473068), (70, 236534), (140, 118267), (227, 72940), (454, 36470), (521, 31780), (908, 18235), (1042, 15890), (1135, 14588), (1589, 10420), (2084, 7945), (2270, 7294), (2605, 6356), (3178, 5210), (3647, 4540)]