28207928

素因数分解:

$2^3\times 7^2\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 61990920

約数和(自身を除く): 33782992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 227, 317, 392, 454, 634, 908, 1268, 1589, 1816, 2219, 2536, 3178, 4438, 6356, 8876, 11123, 12712, 15533, 17752, 22246, 31066, 44492, 62132, 71959, 88984, 124264, 143918, 287836, 503713, 575672, 1007426, 2014852, 3525991, 4029704, 7051982, 14103964, 28207928]

約数ペア:

[(1, 28207928), (2, 14103964), (4, 7051982), (7, 4029704), (8, 3525991), (14, 2014852), (28, 1007426), (49, 575672), (56, 503713), (98, 287836), (196, 143918), (227, 124264), (317, 88984), (392, 71959), (454, 62132), (634, 44492), (908, 31066), (1268, 22246), (1589, 17752), (1816, 15533), (2219, 12712), (2536, 11123), (3178, 8876), (4438, 6356)]