51241216

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 112031640

約数和(自身を除く): 60790424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 173, 178, 208, 256, 346, 356, 416, 692, 712, 832, 1157, 1384, 1424, 1664, 2249, 2314, 2768, 2848, 3328, 4498, 4628, 5536, 5696, 8996, 9256, 11072, 11392, 15397, 17992, 18512, 22144, 22784, 30794, 35984, 37024, 44288, 61588, 71968, 74048, 123176, 143936, 148096, 200161, 246352, 287872, 296192, 400322, 492704, 575744, 800644, 985408, 1601288, 1970816, 3202576, 3941632, 6405152, 12810304, 25620608, 51241216]

約数ペア:

[(1, 51241216), (2, 25620608), (4, 12810304), (8, 6405152), (13, 3941632), (16, 3202576), (26, 1970816), (32, 1601288), (52, 985408), (64, 800644), (89, 575744), (104, 492704), (128, 400322), (173, 296192), (178, 287872), (208, 246352), (256, 200161), (346, 148096), (356, 143936), (416, 123176), (692, 74048), (712, 71968), (832, 61588), (1157, 44288), (1384, 37024), (1424, 35984), (1664, 30794), (2249, 22784), (2314, 22144), (2768, 18512), (2848, 17992), (3328, 15397), (4498, 11392), (4628, 11072), (5536, 9256), (5696, 8996)]