639494987285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3623}}^1\times {\mathrm{12391}}^1$

素因数の和:16074

約数の個数: 64

約数和(自身を含む): 982959611904

約数和(自身を除く): 343464624619

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 259, 385, 407, 1295, 2035, 2849, 3623, 12391, 14245, 18115, 25361, 39853, 61955, 86737, 126805, 134051, 136301, 199265, 278971, 433685, 458467, 670255, 681505, 938357, 954107, 1394855, 1474561, 2292335, 3209269, 4691785, 4770535, 5043137, 7372805, 10321927, 16046345, 25215685, 35301959, 44892593, 51609635, 176509795, 224462965, 314248151, 493818523, 1571240755, 1661025941, 2469092615, 3456729661, 8305129705, 11627181587, 17283648305, 18271285351, 58135907935, 91356426755, 127898997457, 639494987285]

約数ペア:

[(1, 639494987285), (5, 127898997457), (7, 91356426755), (11, 58135907935), (35, 18271285351), (37, 17283648305), (55, 11627181587), (77, 8305129705), (185, 3456729661), (259, 2469092615), (385, 1661025941), (407, 1571240755), (1295, 493818523), (2035, 314248151), (2849, 224462965), (3623, 176509795), (12391, 51609635), (14245, 44892593), (18115, 35301959), (25361, 25215685), (39853, 16046345), (61955, 10321927), (86737, 7372805), (126805, 5043137), (134051, 4770535), (136301, 4691785), (199265, 3209269), (278971, 2292335), (433685, 1474561), (458467, 1394855), (670255, 954107), (681505, 938357)]