81694446

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 172533072

約数和(自身を除く): 90838626

約数列:

[1, 2, 3, 6, 37, 71, 73, 74, 111, 142, 146, 213, 219, 222, 426, 438, 2627, 2701, 5041, 5183, 5254, 5402, 7881, 8103, 10082, 10366, 15123, 15549, 15762, 16206, 30246, 31098, 186517, 191771, 367993, 373034, 383542, 559551, 575313, 735986, 1103979, 1119102, 1150626, 2207958, 13615741, 27231482, 40847223, 81694446]

約数ペア:

[(1, 81694446), (2, 40847223), (3, 27231482), (6, 13615741), (37, 2207958), (71, 1150626), (73, 1119102), (74, 1103979), (111, 735986), (142, 575313), (146, 559551), (213, 383542), (219, 373034), (222, 367993), (426, 191771), (438, 186517), (2627, 31098), (2701, 30246), (5041, 16206), (5183, 15762), (5254, 15549), (5402, 15123), (7881, 10366), (8103, 10082)]