28120194

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 63752832

約数和(自身を除く): 35632638

約数列:

[1, 2, 3, 6, 9, 18, 43, 47, 86, 94, 129, 141, 258, 282, 387, 423, 773, 774, 846, 1546, 2021, 2319, 4042, 4638, 6063, 6957, 12126, 13914, 18189, 33239, 36331, 36378, 66478, 72662, 99717, 108993, 199434, 217986, 299151, 326979, 598302, 653958, 1562233, 3124466, 4686699, 9373398, 14060097, 28120194]

約数ペア:

[(1, 28120194), (2, 14060097), (3, 9373398), (6, 4686699), (9, 3124466), (18, 1562233), (43, 653958), (47, 598302), (86, 326979), (94, 299151), (129, 217986), (141, 199434), (258, 108993), (282, 99717), (387, 72662), (423, 66478), (773, 36378), (774, 36331), (846, 33239), (1546, 18189), (2021, 13914), (2319, 12126), (4042, 6957), (4638, 6063)]