201668090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81647}}^1$

素因数の和:81686

約数の個数: 32

約数和(自身を含む): 411505920

約数和(自身を除く): 209837830

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 81647, 163294, 408235, 816470, 1061411, 1551293, 2122822, 3102586, 5307055, 7756465, 10614110, 15512930, 20166809, 40333618, 100834045, 201668090]

約数ペア:

[(1, 201668090), (2, 100834045), (5, 40333618), (10, 20166809), (13, 15512930), (19, 10614110), (26, 7756465), (38, 5307055), (65, 3102586), (95, 2122822), (130, 1551293), (190, 1061411), (247, 816470), (494, 408235), (1235, 163294), (2470, 81647)]