991635864

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{2957}}^1$

素因数の和:3212

約数の個数: 64

約数和(自身を含む): 2523765600

約数和(自身を除く): 1532129736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 157, 178, 267, 314, 356, 471, 534, 628, 712, 942, 1068, 1256, 1884, 2136, 2957, 3768, 5914, 8871, 11828, 13973, 17742, 23656, 27946, 35484, 41919, 55892, 70968, 83838, 111784, 167676, 263173, 335352, 464249, 526346, 789519, 928498, 1052692, 1392747, 1579038, 1856996, 2105384, 2785494, 3158076, 3713992, 5570988, 6316152, 11141976, 41318161, 82636322, 123954483, 165272644, 247908966, 330545288, 495817932, 991635864]

約数ペア:

[(1, 991635864), (2, 495817932), (3, 330545288), (4, 247908966), (6, 165272644), (8, 123954483), (12, 82636322), (24, 41318161), (89, 11141976), (157, 6316152), (178, 5570988), (267, 3713992), (314, 3158076), (356, 2785494), (471, 2105384), (534, 1856996), (628, 1579038), (712, 1392747), (942, 1052692), (1068, 928498), (1256, 789519), (1884, 526346), (2136, 464249), (2957, 335352), (3768, 263173), (5914, 167676), (8871, 111784), (11828, 83838), (13973, 70968), (17742, 55892), (23656, 41919), (27946, 35484)]