28651084

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 64752912

約数和(自身を除く): 36101828

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 97, 98, 137, 154, 194, 196, 274, 308, 388, 539, 548, 679, 959, 1067, 1078, 1358, 1507, 1918, 2134, 2156, 2716, 3014, 3836, 4268, 4753, 6028, 6713, 7469, 9506, 10549, 13289, 13426, 14938, 19012, 21098, 26578, 26852, 29876, 42196, 52283, 53156, 73843, 93023, 104566, 146179, 147686, 186046, 209132, 292358, 295372, 372092, 584716, 651161, 1023253, 1302322, 2046506, 2604644, 4093012, 7162771, 14325542, 28651084]

約数ペア:

[(1, 28651084), (2, 14325542), (4, 7162771), (7, 4093012), (11, 2604644), (14, 2046506), (22, 1302322), (28, 1023253), (44, 651161), (49, 584716), (77, 372092), (97, 295372), (98, 292358), (137, 209132), (154, 186046), (194, 147686), (196, 146179), (274, 104566), (308, 93023), (388, 73843), (539, 53156), (548, 52283), (679, 42196), (959, 29876), (1067, 26852), (1078, 26578), (1358, 21098), (1507, 19012), (1918, 14938), (2134, 13426), (2156, 13289), (2716, 10549), (3014, 9506), (3836, 7469), (4268, 6713), (4753, 6028)]