28347578

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 52430400

約数和(自身を除く): 24082822

約数列:

[1, 2, 7, 14, 31, 43, 49, 62, 86, 98, 217, 301, 343, 434, 602, 686, 961, 1333, 1519, 1922, 2107, 2666, 3038, 4214, 6727, 9331, 10633, 13454, 14749, 18662, 21266, 29498, 41323, 47089, 65317, 82646, 94178, 130634, 289261, 329623, 457219, 578522, 659246, 914438, 2024827, 4049654, 14173789, 28347578]

約数ペア:

[(1, 28347578), (2, 14173789), (7, 4049654), (14, 2024827), (31, 914438), (43, 659246), (49, 578522), (62, 457219), (86, 329623), (98, 289261), (217, 130634), (301, 94178), (343, 82646), (434, 65317), (602, 47089), (686, 41323), (961, 29498), (1333, 21266), (1519, 18662), (1922, 14749), (2107, 13454), (2666, 10633), (3038, 9331), (4214, 6727)]