31537168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 69884416

約数和(自身を除く): 38347248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 67, 73, 104, 124, 134, 146, 208, 248, 268, 292, 403, 496, 536, 584, 806, 871, 949, 1072, 1168, 1612, 1742, 1898, 2077, 2263, 3224, 3484, 3796, 4154, 4526, 4891, 6448, 6968, 7592, 8308, 9052, 9782, 13936, 15184, 16616, 18104, 19564, 27001, 29419, 33232, 36208, 39128, 54002, 58838, 63583, 78256, 108004, 117676, 127166, 151621, 216008, 235352, 254332, 303242, 432016, 470704, 508664, 606484, 1017328, 1212968, 1971073, 2425936, 3942146, 7884292, 15768584, 31537168]

約数ペア:

[(1, 31537168), (2, 15768584), (4, 7884292), (8, 3942146), (13, 2425936), (16, 1971073), (26, 1212968), (31, 1017328), (52, 606484), (62, 508664), (67, 470704), (73, 432016), (104, 303242), (124, 254332), (134, 235352), (146, 216008), (208, 151621), (248, 127166), (268, 117676), (292, 108004), (403, 78256), (496, 63583), (536, 58838), (584, 54002), (806, 39128), (871, 36208), (949, 33232), (1072, 29419), (1168, 27001), (1612, 19564), (1742, 18104), (1898, 16616), (2077, 15184), (2263, 13936), (3224, 9782), (3484, 9052), (3796, 8308), (4154, 7592), (4526, 6968), (4891, 6448)]