4888390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 9789696

約数和(自身を除く): 4901306

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 1213, 2015, 2426, 4030, 6065, 12130, 15769, 31538, 37603, 75206, 78845, 157690, 188015, 376030, 488839, 977678, 2444195, 4888390]

約数ペア:

[(1, 4888390), (2, 2444195), (5, 977678), (10, 488839), (13, 376030), (26, 188015), (31, 157690), (62, 78845), (65, 75206), (130, 37603), (155, 31538), (310, 15769), (403, 12130), (806, 6065), (1213, 4030), (2015, 2426)]