855331490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:3003

約数の個数: 64

約数和(自身を含む): 1729195776

約数和(自身を除く): 873864286

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 215, 265, 430, 530, 559, 689, 1118, 1378, 2279, 2795, 2887, 3445, 4558, 5590, 5774, 6890, 11395, 14435, 22790, 28870, 29627, 37531, 59254, 75062, 124141, 148135, 153011, 187655, 248282, 296270, 306022, 375310, 620705, 765055, 1241410, 1530110, 1613833, 1989143, 3227666, 3978286, 6579473, 8069165, 9945715, 13158946, 16138330, 19891430, 32897365, 65794730, 85533149, 171066298, 427665745, 855331490]

約数ペア:

[(1, 855331490), (2, 427665745), (5, 171066298), (10, 85533149), (13, 65794730), (26, 32897365), (43, 19891430), (53, 16138330), (65, 13158946), (86, 9945715), (106, 8069165), (130, 6579473), (215, 3978286), (265, 3227666), (430, 1989143), (530, 1613833), (559, 1530110), (689, 1241410), (1118, 765055), (1378, 620705), (2279, 375310), (2795, 306022), (2887, 296270), (3445, 248282), (4558, 187655), (5590, 153011), (5774, 148135), (6890, 124141), (11395, 75062), (14435, 59254), (22790, 37531), (28870, 29627)]