79902018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 216691200

約数和(自身を除く): 136789182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 37, 42, 54, 58, 63, 74, 87, 111, 126, 174, 189, 197, 203, 222, 259, 261, 333, 378, 394, 406, 518, 522, 591, 609, 666, 777, 783, 999, 1073, 1182, 1218, 1379, 1554, 1566, 1773, 1827, 1998, 2146, 2331, 2758, 3219, 3546, 3654, 4137, 4662, 5319, 5481, 5713, 6438, 6993, 7289, 7511, 8274, 9657, 10638, 10962, 11426, 12411, 13986, 14578, 15022, 17139, 19314, 21867, 22533, 24822, 28971, 34278, 37233, 39991, 43734, 45066, 51023, 51417, 57942, 65601, 67599, 74466, 79982, 102046, 102834, 119973, 131202, 135198, 153069, 154251, 196803, 202797, 211381, 239946, 306138, 308502, 359919, 393606, 405594, 422762, 459207, 634143, 719838, 918414, 1079757, 1268286, 1377621, 1479667, 1902429, 2159514, 2755242, 2959334, 3804858, 4439001, 5707287, 8878002, 11414574, 13317003, 26634006, 39951009, 79902018]

約数ペア:

[(1, 79902018), (2, 39951009), (3, 26634006), (6, 13317003), (7, 11414574), (9, 8878002), (14, 5707287), (18, 4439001), (21, 3804858), (27, 2959334), (29, 2755242), (37, 2159514), (42, 1902429), (54, 1479667), (58, 1377621), (63, 1268286), (74, 1079757), (87, 918414), (111, 719838), (126, 634143), (174, 459207), (189, 422762), (197, 405594), (203, 393606), (222, 359919), (259, 308502), (261, 306138), (333, 239946), (378, 211381), (394, 202797), (406, 196803), (518, 154251), (522, 153069), (591, 135198), (609, 131202), (666, 119973), (777, 102834), (783, 102046), (999, 79982), (1073, 74466), (1182, 67599), (1218, 65601), (1379, 57942), (1554, 51417), (1566, 51023), (1773, 45066), (1827, 43734), (1998, 39991), (2146, 37233), (2331, 34278), (2758, 28971), (3219, 24822), (3546, 22533), (3654, 21867), (4137, 19314), (4662, 17139), (5319, 15022), (5481, 14578), (5713, 13986), (6438, 12411), (6993, 11426), (7289, 10962), (7511, 10638), (8274, 9657)]