28715673567

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1\times {\mathrm{547}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 45089685504

約数和(自身を除く): 16374011937

約数列:

[1, 3, 7, 21, 61, 107, 183, 321, 383, 427, 547, 749, 1149, 1281, 1641, 2247, 2681, 3829, 6527, 8043, 11487, 19581, 23363, 33367, 40981, 45689, 58529, 70089, 100101, 122943, 137067, 163541, 175587, 209501, 233569, 286867, 409703, 490623, 628503, 700707, 860601, 1229109, 1466507, 2499841, 3570269, 4399521, 7499523, 10710807, 12779561, 17498887, 22416607, 24991883, 38338683, 52496661, 67249821, 74975649, 89456927, 156916249, 268370781, 470748747, 1367413027, 4102239081, 9571891189, 28715673567]

約数ペア:

[(1, 28715673567), (3, 9571891189), (7, 4102239081), (21, 1367413027), (61, 470748747), (107, 268370781), (183, 156916249), (321, 89456927), (383, 74975649), (427, 67249821), (547, 52496661), (749, 38338683), (1149, 24991883), (1281, 22416607), (1641, 17498887), (2247, 12779561), (2681, 10710807), (3829, 7499523), (6527, 4399521), (8043, 3570269), (11487, 2499841), (19581, 1466507), (23363, 1229109), (33367, 860601), (40981, 700707), (45689, 628503), (58529, 490623), (70089, 409703), (100101, 286867), (122943, 233569), (137067, 209501), (163541, 175587)]