28262484

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{8821}}^1$

素因数の和:8920

約数の個数: 36

約数和(自身を含む): 72252180

約数和(自身を除く): 43989696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 8821, 17642, 26463, 35284, 52926, 79389, 105852, 158778, 317556, 785069, 1570138, 2355207, 3140276, 4710414, 7065621, 9420828, 14131242, 28262484]

約数ペア:

[(1, 28262484), (2, 14131242), (3, 9420828), (4, 7065621), (6, 4710414), (9, 3140276), (12, 2355207), (18, 1570138), (36, 785069), (89, 317556), (178, 158778), (267, 105852), (356, 79389), (534, 52926), (801, 35284), (1068, 26463), (1602, 17642), (3204, 8821)]