28372764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 78184848

約数和(自身を除く): 49812084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 511, 588, 661, 876, 1022, 1322, 1533, 1983, 2044, 2644, 3066, 3577, 3966, 4627, 6132, 7154, 7932, 9254, 10731, 13881, 14308, 18508, 21462, 27762, 32389, 42924, 48253, 55524, 64778, 96506, 97167, 129556, 144759, 193012, 194334, 289518, 337771, 388668, 579036, 675542, 1013313, 1351084, 2026626, 2364397, 4053252, 4728794, 7093191, 9457588, 14186382, 28372764]

約数ペア:

[(1, 28372764), (2, 14186382), (3, 9457588), (4, 7093191), (6, 4728794), (7, 4053252), (12, 2364397), (14, 2026626), (21, 1351084), (28, 1013313), (42, 675542), (49, 579036), (73, 388668), (84, 337771), (98, 289518), (146, 194334), (147, 193012), (196, 144759), (219, 129556), (292, 97167), (294, 96506), (438, 64778), (511, 55524), (588, 48253), (661, 42924), (876, 32389), (1022, 27762), (1322, 21462), (1533, 18508), (1983, 14308), (2044, 13881), (2644, 10731), (3066, 9254), (3577, 7932), (3966, 7154), (4627, 6132)]