28372564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 54

約数和(自身を含む): 57317946

約数和(自身を除く): 28945382

約数列:

[1, 2, 4, 11, 22, 31, 44, 61, 62, 121, 122, 124, 242, 244, 341, 484, 671, 682, 961, 1342, 1364, 1891, 1922, 2684, 3751, 3782, 3844, 7381, 7502, 7564, 10571, 14762, 15004, 20801, 21142, 29524, 41602, 42284, 58621, 83204, 116281, 117242, 228811, 232562, 234484, 457622, 465124, 644831, 915244, 1289662, 2579324, 7093141, 14186282, 28372564]

約数ペア:

[(1, 28372564), (2, 14186282), (4, 7093141), (11, 2579324), (22, 1289662), (31, 915244), (44, 644831), (61, 465124), (62, 457622), (121, 234484), (122, 232562), (124, 228811), (242, 117242), (244, 116281), (341, 83204), (484, 58621), (671, 42284), (682, 41602), (961, 29524), (1342, 21142), (1364, 20801), (1891, 15004), (1922, 14762), (2684, 10571), (3751, 7564), (3782, 7502), (3844, 7381)]