1388593490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{355139}}^1$

素因数の和:355186

約数の個数: 32

約数和(自身を含む): 2761568640

約数和(自身を除く): 1372975150

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 355139, 710278, 1775695, 3551390, 6037363, 8168197, 12074726, 16336394, 30186815, 40840985, 60373630, 81681970, 138859349, 277718698, 694296745, 1388593490]

約数ペア:

[(1, 1388593490), (2, 694296745), (5, 277718698), (10, 138859349), (17, 81681970), (23, 60373630), (34, 40840985), (46, 30186815), (85, 16336394), (115, 12074726), (170, 8168197), (230, 6037363), (391, 3551390), (782, 1775695), (1955, 710278), (3910, 355139)]