215678484

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{285289}}^1$

素因数の和:285309

約数の個数: 48

約数和(自身を含む): 639049600

約数和(自身を除く): 423371116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 285289, 570578, 855867, 1141156, 1711734, 1997023, 2567601, 3423468, 3994046, 5135202, 5991069, 7702803, 7988092, 10270404, 11982138, 15405606, 17973207, 23964276, 30811212, 35946414, 53919621, 71892828, 107839242, 215678484]

約数ペア:

[(1, 215678484), (2, 107839242), (3, 71892828), (4, 53919621), (6, 35946414), (7, 30811212), (9, 23964276), (12, 17973207), (14, 15405606), (18, 11982138), (21, 10270404), (27, 7988092), (28, 7702803), (36, 5991069), (42, 5135202), (54, 3994046), (63, 3423468), (84, 2567601), (108, 1997023), (126, 1711734), (189, 1141156), (252, 855867), (378, 570578), (756, 285289)]