1211385890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3221}}^1$

素因数の和:3515

約数の個数: 64

約数和(自身を含む): 2572238592

約数和(自身を除く): 1360852702

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 263, 286, 526, 715, 1315, 1430, 2630, 2893, 3221, 3419, 5786, 6442, 6838, 14465, 16105, 17095, 28930, 32210, 34190, 35431, 37609, 41873, 70862, 75218, 83746, 177155, 188045, 209365, 354310, 376090, 418730, 460603, 847123, 921206, 1694246, 2303015, 4235615, 4606030, 8471230, 9318353, 11012599, 18636706, 22025198, 46591765, 55062995, 93183530, 110125990, 121138589, 242277178, 605692945, 1211385890]

約数ペア:

[(1, 1211385890), (2, 605692945), (5, 242277178), (10, 121138589), (11, 110125990), (13, 93183530), (22, 55062995), (26, 46591765), (55, 22025198), (65, 18636706), (110, 11012599), (130, 9318353), (143, 8471230), (263, 4606030), (286, 4235615), (526, 2303015), (715, 1694246), (1315, 921206), (1430, 847123), (2630, 460603), (2893, 418730), (3221, 376090), (3419, 354310), (5786, 209365), (6442, 188045), (6838, 177155), (14465, 83746), (16105, 75218), (17095, 70862), (28930, 41873), (32210, 37609), (34190, 35431)]