135742490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2655

約数の個数: 48

約数和(自身を含む): 273217536

約数和(自身を除く): 137475046

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 2591, 4030, 5182, 5239, 10478, 12955, 25910, 26195, 33683, 52390, 67366, 80321, 160642, 168415, 336830, 401605, 437879, 803210, 875758, 1044173, 2088346, 2189395, 4378790, 5220865, 10441730, 13574249, 27148498, 67871245, 135742490]

約数ペア:

[(1, 135742490), (2, 67871245), (5, 27148498), (10, 13574249), (13, 10441730), (26, 5220865), (31, 4378790), (62, 2189395), (65, 2088346), (130, 1044173), (155, 875758), (169, 803210), (310, 437879), (338, 401605), (403, 336830), (806, 168415), (845, 160642), (1690, 80321), (2015, 67366), (2591, 52390), (4030, 33683), (5182, 26195), (5239, 25910), (10478, 12955)]