31897996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 63010080

約数和(自身を除く): 31112084

約数列:

[1, 2, 4, 13, 26, 37, 52, 59, 74, 118, 148, 236, 281, 481, 562, 767, 962, 1124, 1534, 1924, 2183, 3068, 3653, 4366, 7306, 8732, 10397, 14612, 16579, 20794, 28379, 33158, 41588, 56758, 66316, 113516, 135161, 215527, 270322, 431054, 540644, 613423, 862108, 1226846, 2453692, 7974499, 15948998, 31897996]

約数ペア:

[(1, 31897996), (2, 15948998), (4, 7974499), (13, 2453692), (26, 1226846), (37, 862108), (52, 613423), (59, 540644), (74, 431054), (118, 270322), (148, 215527), (236, 135161), (281, 113516), (481, 66316), (562, 56758), (767, 41588), (962, 33158), (1124, 28379), (1534, 20794), (1924, 16579), (2183, 14612), (3068, 10397), (3653, 8732), (4366, 7306)]