81404092

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2221}}^1$

素因数の和:2267

約数の個数: 72

約数和(自身を含む): 191500848

約数和(自身を除く): 110096756

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 748, 833, 1078, 1309, 1666, 2156, 2221, 2618, 3332, 4442, 5236, 8884, 9163, 15547, 18326, 24431, 31094, 36652, 37757, 48862, 62188, 75514, 97724, 108829, 151028, 171017, 217658, 264299, 342034, 415327, 435316, 528598, 684068, 830654, 1057196, 1197119, 1661308, 1850093, 2394238, 2907289, 3700186, 4788476, 5814578, 7400372, 11629156, 20351023, 40702046, 81404092]

約数ペア:

[(1, 81404092), (2, 40702046), (4, 20351023), (7, 11629156), (11, 7400372), (14, 5814578), (17, 4788476), (22, 3700186), (28, 2907289), (34, 2394238), (44, 1850093), (49, 1661308), (68, 1197119), (77, 1057196), (98, 830654), (119, 684068), (154, 528598), (187, 435316), (196, 415327), (238, 342034), (308, 264299), (374, 217658), (476, 171017), (539, 151028), (748, 108829), (833, 97724), (1078, 75514), (1309, 62188), (1666, 48862), (2156, 37757), (2221, 36652), (2618, 31094), (3332, 24431), (4442, 18326), (5236, 15547), (8884, 9163)]