262707263

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 330624000

約数和(自身を除く): 67916737

約数列:

[1, 7, 13, 89, 91, 163, 199, 623, 1141, 1157, 1393, 2119, 2587, 8099, 14507, 14833, 17711, 18109, 32437, 101549, 123977, 188591, 227059, 230243, 421681, 1320137, 1611701, 2886893, 2951767, 20208251, 37529609, 262707263]

約数ペア:

[(1, 262707263), (7, 37529609), (13, 20208251), (89, 2951767), (91, 2886893), (163, 1611701), (199, 1320137), (623, 421681), (1141, 230243), (1157, 227059), (1393, 188591), (2119, 123977), (2587, 101549), (8099, 32437), (14507, 18109), (14833, 17711)]