263993210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{5039}}^1$

素因数の和:5103

約数の個数: 48

約数和(自身を含む): 531256320

約数和(自身を除く): 267263110

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4030, 5039, 5239, 10078, 10478, 25195, 26195, 50390, 52390, 65507, 131014, 156209, 312418, 327535, 655070, 781045, 851591, 1562090, 1703182, 2030717, 4061434, 4257955, 8515910, 10153585, 20307170, 26399321, 52798642, 131996605, 263993210]

約数ペア:

[(1, 263993210), (2, 131996605), (5, 52798642), (10, 26399321), (13, 20307170), (26, 10153585), (31, 8515910), (62, 4257955), (65, 4061434), (130, 2030717), (155, 1703182), (169, 1562090), (310, 851591), (338, 781045), (403, 655070), (806, 327535), (845, 312418), (1690, 156209), (2015, 131014), (4030, 65507), (5039, 52390), (5239, 50390), (10078, 26195), (10478, 25195)]