51388603

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1304

約数の個数: 20

約数和(自身を含む): 63526680

約数和(自身を除く): 12138077

約数列:

[1, 7, 17, 49, 119, 343, 833, 1259, 2401, 5831, 8813, 21403, 40817, 61691, 149821, 431837, 1048747, 3022859, 7341229, 51388603]

約数ペア:

[(1, 51388603), (7, 7341229), (17, 3022859), (49, 1048747), (119, 431837), (343, 149821), (833, 61691), (1259, 40817), (2401, 21403), (5831, 8813)]