31215470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 67060224

約数和(自身を除く): 35844754

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 83, 110, 130, 143, 166, 263, 286, 415, 526, 715, 830, 913, 1079, 1315, 1430, 1826, 2158, 2630, 2893, 3419, 4565, 5395, 5786, 6838, 9130, 10790, 11869, 14465, 17095, 21829, 23738, 28930, 34190, 37609, 43658, 59345, 75218, 109145, 118690, 188045, 218290, 240119, 283777, 376090, 480238, 567554, 1200595, 1418885, 2401190, 2837770, 3121547, 6243094, 15607735, 31215470]

約数ペア:

[(1, 31215470), (2, 15607735), (5, 6243094), (10, 3121547), (11, 2837770), (13, 2401190), (22, 1418885), (26, 1200595), (55, 567554), (65, 480238), (83, 376090), (110, 283777), (130, 240119), (143, 218290), (166, 188045), (263, 118690), (286, 109145), (415, 75218), (526, 59345), (715, 43658), (830, 37609), (913, 34190), (1079, 28930), (1315, 23738), (1430, 21829), (1826, 17095), (2158, 14465), (2630, 11869), (2893, 10790), (3419, 9130), (4565, 6838), (5395, 5786)]