1257193730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1\times {\mathrm{7573}}^1$

素因数の和:8870

約数の個数: 32

約数和(自身を含む): 2439252144

約数和(自身を除く): 1182058414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1277, 2554, 6385, 7573, 12770, 15146, 16601, 33202, 37865, 75730, 83005, 98449, 166010, 196898, 492245, 984490, 9670721, 19341442, 48353605, 96707210, 125719373, 251438746, 628596865, 1257193730]

約数ペア:

[(1, 1257193730), (2, 628596865), (5, 251438746), (10, 125719373), (13, 96707210), (26, 48353605), (65, 19341442), (130, 9670721), (1277, 984490), (2554, 492245), (6385, 196898), (7573, 166010), (12770, 98449), (15146, 83005), (16601, 75730), (33202, 37865)]