81967746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 195436800

約数和(自身を除く): 113469054

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 173, 174, 203, 346, 389, 406, 519, 609, 778, 1038, 1167, 1211, 1218, 2334, 2422, 2723, 3633, 5017, 5446, 7266, 8169, 10034, 11281, 15051, 16338, 22562, 30102, 33843, 35119, 67297, 67686, 70238, 78967, 105357, 134594, 157934, 201891, 210714, 236901, 403782, 471079, 473802, 942158, 1413237, 1951613, 2826474, 3903226, 5854839, 11709678, 13661291, 27322582, 40983873, 81967746]

約数ペア:

[(1, 81967746), (2, 40983873), (3, 27322582), (6, 13661291), (7, 11709678), (14, 5854839), (21, 3903226), (29, 2826474), (42, 1951613), (58, 1413237), (87, 942158), (173, 473802), (174, 471079), (203, 403782), (346, 236901), (389, 210714), (406, 201891), (519, 157934), (609, 134594), (778, 105357), (1038, 78967), (1167, 70238), (1211, 67686), (1218, 67297), (2334, 35119), (2422, 33843), (2723, 30102), (3633, 22562), (5017, 16338), (5446, 15051), (7266, 11281), (8169, 10034)]