81812628

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 212520672

約数和(自身を除く): 130708044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 107, 134, 201, 214, 268, 317, 321, 402, 428, 603, 634, 642, 804, 951, 963, 1206, 1268, 1284, 1902, 1926, 2412, 2853, 3804, 3852, 5706, 7169, 11412, 14338, 21239, 21507, 28676, 33919, 42478, 43014, 63717, 64521, 67838, 84956, 86028, 101757, 127434, 129042, 135676, 191151, 203514, 254868, 258084, 305271, 382302, 407028, 610542, 764604, 1221084, 2272573, 4545146, 6817719, 9090292, 13635438, 20453157, 27270876, 40906314, 81812628]

約数ペア:

[(1, 81812628), (2, 40906314), (3, 27270876), (4, 20453157), (6, 13635438), (9, 9090292), (12, 6817719), (18, 4545146), (36, 2272573), (67, 1221084), (107, 764604), (134, 610542), (201, 407028), (214, 382302), (268, 305271), (317, 258084), (321, 254868), (402, 203514), (428, 191151), (603, 135676), (634, 129042), (642, 127434), (804, 101757), (951, 86028), (963, 84956), (1206, 67838), (1268, 64521), (1284, 63717), (1902, 43014), (1926, 42478), (2412, 33919), (2853, 28676), (3804, 21507), (3852, 21239), (5706, 14338), (7169, 11412)]