81604227612

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1\times {\mathrm{56911}}^1$

素因数の和:57287

約数の個数: 72

約数和(自身を含む): 201569555712

約数和(自身を除く): 119965328100

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 331, 361, 662, 722, 993, 1083, 1324, 1444, 1986, 2166, 3972, 4332, 6289, 12578, 18867, 25156, 37734, 56911, 75468, 113822, 119491, 170733, 227644, 238982, 341466, 358473, 477964, 682932, 716946, 1081309, 1433892, 2162618, 3243927, 4325236, 6487854, 12975708, 18837541, 20544871, 37675082, 41089742, 56512623, 61634613, 75350164, 82179484, 113025246, 123269226, 226050492, 246538452, 357913279, 715826558, 1073739837, 1431653116, 2147479674, 4294959348, 6800352301, 13600704602, 20401056903, 27201409204, 40802113806, 81604227612]

約数ペア:

[(1, 81604227612), (2, 40802113806), (3, 27201409204), (4, 20401056903), (6, 13600704602), (12, 6800352301), (19, 4294959348), (38, 2147479674), (57, 1431653116), (76, 1073739837), (114, 715826558), (228, 357913279), (331, 246538452), (361, 226050492), (662, 123269226), (722, 113025246), (993, 82179484), (1083, 75350164), (1324, 61634613), (1444, 56512623), (1986, 41089742), (2166, 37675082), (3972, 20544871), (4332, 18837541), (6289, 12975708), (12578, 6487854), (18867, 4325236), (25156, 3243927), (37734, 2162618), (56911, 1433892), (75468, 1081309), (113822, 716946), (119491, 682932), (170733, 477964), (227644, 358473), (238982, 341466)]