289021675

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 36

約数和(自身を含む): 385248160

約数和(自身を除く): 96226485

約数列:

[1, 5, 17, 25, 85, 109, 289, 367, 425, 545, 1445, 1835, 1853, 2725, 6239, 7225, 9175, 9265, 31195, 31501, 40003, 46325, 106063, 155975, 157505, 200015, 530315, 680051, 787525, 1000075, 2651575, 3400255, 11560867, 17001275, 57804335, 289021675]

約数ペア:

[(1, 289021675), (5, 57804335), (17, 17001275), (25, 11560867), (85, 3400255), (109, 2651575), (289, 1000075), (367, 787525), (425, 680051), (545, 530315), (1445, 200015), (1835, 157505), (1853, 155975), (2725, 106063), (6239, 46325), (7225, 40003), (9175, 31501), (9265, 31195)]