81903416

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 187142400

約数和(自身を除く): 105238984

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 227, 238, 379, 454, 476, 758, 908, 952, 1516, 1589, 1816, 2653, 3032, 3178, 3859, 5306, 6356, 6443, 7718, 10612, 12712, 12886, 15436, 21224, 25772, 27013, 30872, 45101, 51544, 54026, 86033, 90202, 108052, 172066, 180404, 216104, 344132, 360808, 602231, 688264, 1204462, 1462561, 2408924, 2925122, 4817848, 5850244, 10237927, 11700488, 20475854, 40951708, 81903416]

約数ペア:

[(1, 81903416), (2, 40951708), (4, 20475854), (7, 11700488), (8, 10237927), (14, 5850244), (17, 4817848), (28, 2925122), (34, 2408924), (56, 1462561), (68, 1204462), (119, 688264), (136, 602231), (227, 360808), (238, 344132), (379, 216104), (454, 180404), (476, 172066), (758, 108052), (908, 90202), (952, 86033), (1516, 54026), (1589, 51544), (1816, 45101), (2653, 30872), (3032, 27013), (3178, 25772), (3859, 21224), (5306, 15436), (6356, 12886), (6443, 12712), (7718, 10612)]