678472106845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17721617}}^1$

素因数の和:17721685

約数の個数: 32

約数和(自身を含む): 952714183680

約数和(自身を除く): 274242076835

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2945, 7657, 38285, 17721617, 88608085, 230381021, 336710723, 549370127, 1151905105, 1683553615, 2746850635, 4377239399, 7141811651, 10438032413, 21886196995, 35709058255, 52190162065, 135694421369, 678472106845]

約数ペア:

[(1, 678472106845), (5, 135694421369), (13, 52190162065), (19, 35709058255), (31, 21886196995), (65, 10438032413), (95, 7141811651), (155, 4377239399), (247, 2746850635), (403, 1683553615), (589, 1151905105), (1235, 549370127), (2015, 336710723), (2945, 230381021), (7657, 88608085), (38285, 17721617)]