12858950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 26206656

約数和(自身を除く): 13347706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 271, 325, 365, 542, 650, 730, 949, 1355, 1825, 1898, 2710, 3523, 3650, 4745, 6775, 7046, 9490, 13550, 17615, 19783, 23725, 35230, 39566, 47450, 88075, 98915, 176150, 197830, 257179, 494575, 514358, 989150, 1285895, 2571790, 6429475, 12858950]

約数ペア:

[(1, 12858950), (2, 6429475), (5, 2571790), (10, 1285895), (13, 989150), (25, 514358), (26, 494575), (50, 257179), (65, 197830), (73, 176150), (130, 98915), (146, 88075), (271, 47450), (325, 39566), (365, 35230), (542, 23725), (650, 19783), (730, 17615), (949, 13550), (1355, 9490), (1825, 7046), (1898, 6775), (2710, 4745), (3523, 3650)]