81898404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4545

約数の個数: 72

約数和(自身を含む): 229517568

約数和(自身を除く): 147619164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 2604, 3038, 4493, 4557, 6076, 8986, 9114, 13479, 17972, 18228, 26958, 31451, 53916, 62902, 94353, 125804, 139283, 188706, 220157, 278566, 377412, 417849, 440314, 557132, 660471, 835698, 880628, 974981, 1320942, 1671396, 1949962, 2641884, 2924943, 3899924, 5849886, 6824867, 11699772, 13649734, 20474601, 27299468, 40949202, 81898404]

約数ペア:

[(1, 81898404), (2, 40949202), (3, 27299468), (4, 20474601), (6, 13649734), (7, 11699772), (12, 6824867), (14, 5849886), (21, 3899924), (28, 2924943), (31, 2641884), (42, 1949962), (49, 1671396), (62, 1320942), (84, 974981), (93, 880628), (98, 835698), (124, 660471), (147, 557132), (186, 440314), (196, 417849), (217, 377412), (294, 278566), (372, 220157), (434, 188706), (588, 139283), (651, 125804), (868, 94353), (1302, 62902), (1519, 53916), (2604, 31451), (3038, 26958), (4493, 18228), (4557, 17972), (6076, 13479), (8986, 9114)]