28611850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 57793176

約数和(自身を除く): 29181326

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 697, 821, 850, 1025, 1394, 1642, 2050, 3485, 4105, 6970, 8210, 13957, 17425, 20525, 27914, 33661, 34850, 41050, 67322, 69785, 139570, 168305, 336610, 348925, 572237, 697850, 841525, 1144474, 1683050, 2861185, 5722370, 14305925, 28611850]

約数ペア:

[(1, 28611850), (2, 14305925), (5, 5722370), (10, 2861185), (17, 1683050), (25, 1144474), (34, 841525), (41, 697850), (50, 572237), (82, 348925), (85, 336610), (170, 168305), (205, 139570), (410, 69785), (425, 67322), (697, 41050), (821, 34850), (850, 33661), (1025, 27914), (1394, 20525), (1642, 17425), (2050, 13957), (3485, 8210), (4105, 6970)]