31253291264

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{105517}}^1$

素因数の和:105635

約数の個数: 72

約数和(自身を含む): 67938819480

約数和(自身を除く): 36685528216

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 256, 356, 416, 712, 832, 1157, 1424, 1664, 2314, 2848, 3328, 4628, 5696, 9256, 11392, 18512, 22784, 37024, 74048, 105517, 148096, 211034, 296192, 422068, 844136, 1371721, 1688272, 2743442, 3376544, 5486884, 6753088, 9391013, 10973768, 13506176, 18782026, 21947536, 27012352, 37564052, 43895072, 75128104, 87790144, 122083169, 150256208, 175580288, 244166338, 300512416, 351160576, 488332676, 601024832, 976665352, 1202049664, 1953330704, 2404099328, 3906661408, 7813322816, 15626645632, 31253291264]

約数ペア:

[(1, 31253291264), (2, 15626645632), (4, 7813322816), (8, 3906661408), (13, 2404099328), (16, 1953330704), (26, 1202049664), (32, 976665352), (52, 601024832), (64, 488332676), (89, 351160576), (104, 300512416), (128, 244166338), (178, 175580288), (208, 150256208), (256, 122083169), (356, 87790144), (416, 75128104), (712, 43895072), (832, 37564052), (1157, 27012352), (1424, 21947536), (1664, 18782026), (2314, 13506176), (2848, 10973768), (3328, 9391013), (4628, 6753088), (5696, 5486884), (9256, 3376544), (11392, 2743442), (18512, 1688272), (22784, 1371721), (37024, 844136), (74048, 422068), (105517, 296192), (148096, 211034)]