207601979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 243285504

約数和(自身を除く): 35683525

約数列:

[1, 13, 23, 43, 67, 241, 299, 559, 871, 989, 1541, 2881, 3133, 5543, 10363, 12857, 16147, 20033, 37453, 66263, 72059, 134719, 209911, 238349, 371381, 694321, 861419, 3098537, 4827953, 9026173, 15969383, 207601979]

約数ペア:

[(1, 207601979), (13, 15969383), (23, 9026173), (43, 4827953), (67, 3098537), (241, 861419), (299, 694321), (559, 371381), (871, 238349), (989, 209911), (1541, 134719), (2881, 72059), (3133, 66263), (5543, 37453), (10363, 20033), (12857, 16147)]