81634238

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4831}}^1$

素因数の和:4928

約数の個数: 32

約数和(自身を含む): 150294528

約数和(自身を除く): 68660290

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 2414, 4831, 8449, 9662, 16898, 33817, 67634, 82127, 164254, 343001, 574889, 686002, 1149778, 2401007, 4802014, 5831017, 11662034, 40817119, 81634238]

約数ペア:

[(1, 81634238), (2, 40817119), (7, 11662034), (14, 5831017), (17, 4802014), (34, 2401007), (71, 1149778), (119, 686002), (142, 574889), (238, 343001), (497, 164254), (994, 82127), (1207, 67634), (2414, 33817), (4831, 16898), (8449, 9662)]