28653950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3391}}^1$

素因数の和:3429

約数の個数: 36

約数和(自身を含む): 57728448

約数和(自身を除く): 29074498

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 3391, 4225, 6782, 8450, 16955, 33910, 44083, 84775, 88166, 169550, 220415, 440830, 573079, 1102075, 1146158, 2204150, 2865395, 5730790, 14326975, 28653950]

約数ペア:

[(1, 28653950), (2, 14326975), (5, 5730790), (10, 2865395), (13, 2204150), (25, 1146158), (26, 1102075), (50, 573079), (65, 440830), (130, 220415), (169, 169550), (325, 88166), (338, 84775), (650, 44083), (845, 33910), (1690, 16955), (3391, 8450), (4225, 6782)]