688790856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{51341}}^1$

素因数の和:51406

約数の個数: 64

約数和(自身を含む): 1897600320

約数和(自身を除く): 1208809464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 51341, 102682, 154023, 205364, 308046, 410728, 616092, 667433, 1232184, 1334866, 2002299, 2207663, 2669732, 4004598, 4415326, 5339464, 6622989, 8009196, 8830652, 13245978, 16018392, 17661304, 26491956, 28699619, 52983912, 57399238, 86098857, 114798476, 172197714, 229596952, 344395428, 688790856]

約数ペア:

[(1, 688790856), (2, 344395428), (3, 229596952), (4, 172197714), (6, 114798476), (8, 86098857), (12, 57399238), (13, 52983912), (24, 28699619), (26, 26491956), (39, 17661304), (43, 16018392), (52, 13245978), (78, 8830652), (86, 8009196), (104, 6622989), (129, 5339464), (156, 4415326), (172, 4004598), (258, 2669732), (312, 2207663), (344, 2002299), (516, 1334866), (559, 1232184), (1032, 667433), (1118, 616092), (1677, 410728), (2236, 308046), (3354, 205364), (4472, 154023), (6708, 102682), (13416, 51341)]