81576506

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 144789120

約数和(自身を除く): 63212614

約数列:

[1, 2, 11, 17, 22, 34, 79, 121, 158, 187, 242, 251, 374, 502, 869, 1343, 1738, 2057, 2686, 2761, 4114, 4267, 5522, 8534, 9559, 14773, 19118, 19829, 29546, 30371, 39658, 46937, 60742, 93874, 162503, 218119, 325006, 337093, 436238, 516307, 674186, 1032614, 2399309, 3708023, 4798618, 7416046, 40788253, 81576506]

約数ペア:

[(1, 81576506), (2, 40788253), (11, 7416046), (17, 4798618), (22, 3708023), (34, 2399309), (79, 1032614), (121, 674186), (158, 516307), (187, 436238), (242, 337093), (251, 325006), (374, 218119), (502, 162503), (869, 93874), (1343, 60742), (1738, 46937), (2057, 39658), (2686, 30371), (2761, 29546), (4114, 19829), (4267, 19118), (5522, 14773), (8534, 9559)]