28899490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 55520640

約数和(自身を除く): 26621150

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1223, 1390, 2363, 2446, 4726, 6115, 11815, 12230, 20791, 23630, 41582, 103955, 169997, 207910, 339994, 849985, 1699970, 2889949, 5779898, 14449745, 28899490]

約数ペア:

[(1, 28899490), (2, 14449745), (5, 5779898), (10, 2889949), (17, 1699970), (34, 849985), (85, 339994), (139, 207910), (170, 169997), (278, 103955), (695, 41582), (1223, 23630), (1390, 20791), (2363, 12230), (2446, 11815), (4726, 6115)]