28325724

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 78140160

約数和(自身を除く): 49814436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 719, 804, 938, 1407, 1438, 1876, 2157, 2814, 2876, 3283, 4314, 5033, 5628, 6566, 8628, 9849, 10066, 13132, 15099, 19698, 20132, 30198, 35231, 39396, 48173, 60396, 70462, 96346, 105693, 140924, 144519, 192692, 211386, 289038, 337211, 422772, 578076, 674422, 1011633, 1348844, 2023266, 2360477, 4046532, 4720954, 7081431, 9441908, 14162862, 28325724]

約数ペア:

[(1, 28325724), (2, 14162862), (3, 9441908), (4, 7081431), (6, 4720954), (7, 4046532), (12, 2360477), (14, 2023266), (21, 1348844), (28, 1011633), (42, 674422), (49, 578076), (67, 422772), (84, 337211), (98, 289038), (134, 211386), (147, 192692), (196, 144519), (201, 140924), (268, 105693), (294, 96346), (402, 70462), (469, 60396), (588, 48173), (719, 39396), (804, 35231), (938, 30198), (1407, 20132), (1438, 19698), (1876, 15099), (2157, 13132), (2814, 10066), (2876, 9849), (3283, 8628), (4314, 6566), (5033, 5628)]