418654210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{16183}}^1$

素因数の和:16402

約数の個数: 32

約数和(自身を含む): 815673600

約数和(自身を除く): 397019390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 16183, 25870, 32366, 80915, 161830, 210379, 420758, 1051895, 2103790, 3220417, 6440834, 16102085, 32204170, 41865421, 83730842, 209327105, 418654210]

約数ペア:

[(1, 418654210), (2, 209327105), (5, 83730842), (10, 41865421), (13, 32204170), (26, 16102085), (65, 6440834), (130, 3220417), (199, 2103790), (398, 1051895), (995, 420758), (1990, 210379), (2587, 161830), (5174, 80915), (12935, 32366), (16183, 25870)]