89921951

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 20393569

約数列:

[1, 7, 37, 47, 83, 89, 259, 329, 581, 623, 1739, 3071, 3293, 3901, 4183, 7387, 12173, 21497, 23051, 27307, 29281, 51709, 144337, 154771, 273319, 347189, 1010359, 1083397, 1913233, 2430323, 12845993, 89921951]

約数ペア:

[(1, 89921951), (7, 12845993), (37, 2430323), (47, 1913233), (83, 1083397), (89, 1010359), (259, 347189), (329, 273319), (581, 154771), (623, 144337), (1739, 51709), (3071, 29281), (3293, 27307), (3901, 23051), (4183, 21497), (7387, 12173)]