6500390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 13015296

約数和(自身を除く): 6514906

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 1613, 2015, 3226, 4030, 8065, 16130, 20969, 41938, 50003, 100006, 104845, 209690, 250015, 500030, 650039, 1300078, 3250195, 6500390]

約数ペア:

[(1, 6500390), (2, 3250195), (5, 1300078), (10, 650039), (13, 500030), (26, 250015), (31, 209690), (62, 104845), (65, 100006), (130, 50003), (155, 41938), (310, 20969), (403, 16130), (806, 8065), (1613, 4030), (2015, 3226)]