28164276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 82531904

約数和(自身を除く): 54367628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1531, 1533, 2044, 2628, 3062, 3066, 4593, 4599, 6124, 6132, 9186, 9198, 10717, 13779, 18372, 18396, 21434, 27558, 32151, 42868, 55116, 64302, 96453, 111763, 128604, 192906, 223526, 335289, 385812, 447052, 670578, 782341, 1005867, 1341156, 1564682, 2011734, 2347023, 3129364, 4023468, 4694046, 7041069, 9388092, 14082138, 28164276]

約数ペア:

[(1, 28164276), (2, 14082138), (3, 9388092), (4, 7041069), (6, 4694046), (7, 4023468), (9, 3129364), (12, 2347023), (14, 2011734), (18, 1564682), (21, 1341156), (28, 1005867), (36, 782341), (42, 670578), (63, 447052), (73, 385812), (84, 335289), (126, 223526), (146, 192906), (219, 128604), (252, 111763), (292, 96453), (438, 64302), (511, 55116), (657, 42868), (876, 32151), (1022, 27558), (1314, 21434), (1531, 18396), (1533, 18372), (2044, 13779), (2628, 10717), (3062, 9198), (3066, 9186), (4593, 6132), (4599, 6124)]