65722139

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 81285120

約数和(自身を除く): 15562981

約数列:

[1, 7, 31, 41, 83, 89, 217, 287, 581, 623, 1271, 2573, 2759, 3403, 3649, 7387, 8897, 18011, 19313, 23821, 25543, 51709, 105493, 113119, 228997, 302867, 738451, 791833, 1602979, 2120069, 9388877, 65722139]

約数ペア:

[(1, 65722139), (7, 9388877), (31, 2120069), (41, 1602979), (83, 791833), (89, 738451), (217, 302867), (287, 228997), (581, 113119), (623, 105493), (1271, 51709), (2573, 25543), (2759, 23821), (3403, 19313), (3649, 18011), (7387, 8897)]