201631645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 268240896

約数和(自身を除く): 66609251

約数列:

[1, 5, 17, 41, 47, 85, 205, 235, 697, 799, 1231, 1927, 3485, 3995, 6155, 9635, 20927, 32759, 50471, 57857, 104635, 163795, 252355, 289285, 858007, 983569, 2372137, 4290035, 4917845, 11860685, 40326329, 201631645]

約数ペア:

[(1, 201631645), (5, 40326329), (17, 11860685), (41, 4917845), (47, 4290035), (85, 2372137), (205, 983569), (235, 858007), (697, 289285), (799, 252355), (1231, 163795), (1927, 104635), (3485, 57857), (3995, 50471), (6155, 32759), (9635, 20927)]