13261712

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 26560800

約数和(自身を除く): 13299088

約数列:

[1, 2, 4, 8, 16, 67, 89, 134, 139, 178, 268, 278, 356, 536, 556, 712, 1072, 1112, 1424, 2224, 5963, 9313, 11926, 12371, 18626, 23852, 24742, 37252, 47704, 49484, 74504, 95408, 98968, 149008, 197936, 828857, 1657714, 3315428, 6630856, 13261712]

約数ペア:

[(1, 13261712), (2, 6630856), (4, 3315428), (8, 1657714), (16, 828857), (67, 197936), (89, 149008), (134, 98968), (139, 95408), (178, 74504), (268, 49484), (278, 47704), (356, 37252), (536, 24742), (556, 23852), (712, 18626), (1072, 12371), (1112, 11926), (1424, 9313), (2224, 5963)]