28019810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 63673344

約数和(自身を除く): 35653534

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 287, 410, 455, 533, 574, 751, 910, 1066, 1435, 1502, 2665, 2870, 3731, 3755, 5257, 5330, 7462, 7510, 9763, 10514, 18655, 19526, 26285, 30791, 37310, 48815, 52570, 61582, 68341, 97630, 136682, 153955, 215537, 307910, 341705, 400283, 431074, 683410, 800566, 1077685, 2001415, 2155370, 2801981, 4002830, 5603962, 14009905, 28019810]

約数ペア:

[(1, 28019810), (2, 14009905), (5, 5603962), (7, 4002830), (10, 2801981), (13, 2155370), (14, 2001415), (26, 1077685), (35, 800566), (41, 683410), (65, 431074), (70, 400283), (82, 341705), (91, 307910), (130, 215537), (182, 153955), (205, 136682), (287, 97630), (410, 68341), (455, 61582), (533, 52570), (574, 48815), (751, 37310), (910, 30791), (1066, 26285), (1435, 19526), (1502, 18655), (2665, 10514), (2870, 9763), (3731, 7510), (3755, 7462), (5257, 5330)]