28869736

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 64385280

約数和(自身を除く): 35515544

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 71, 106, 137, 142, 212, 274, 284, 371, 424, 497, 548, 568, 742, 959, 994, 1096, 1484, 1918, 1988, 2968, 3763, 3836, 3976, 7261, 7526, 7672, 9727, 14522, 15052, 19454, 26341, 29044, 30104, 38908, 50827, 52682, 58088, 68089, 77816, 101654, 105364, 136178, 203308, 210728, 272356, 406616, 515531, 544712, 1031062, 2062124, 3608717, 4124248, 7217434, 14434868, 28869736]

約数ペア:

[(1, 28869736), (2, 14434868), (4, 7217434), (7, 4124248), (8, 3608717), (14, 2062124), (28, 1031062), (53, 544712), (56, 515531), (71, 406616), (106, 272356), (137, 210728), (142, 203308), (212, 136178), (274, 105364), (284, 101654), (371, 77816), (424, 68089), (497, 58088), (548, 52682), (568, 50827), (742, 38908), (959, 30104), (994, 29044), (1096, 26341), (1484, 19454), (1918, 15052), (1988, 14522), (2968, 9727), (3763, 7672), (3836, 7526), (3976, 7261)]