31697172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 87370920

約数和(自身を除く): 55673748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 761, 801, 1068, 1157, 1522, 1602, 2283, 2314, 3044, 3204, 3471, 4566, 4628, 6849, 6942, 9132, 9893, 10413, 13698, 13884, 19786, 20826, 27396, 29679, 39572, 41652, 59358, 67729, 89037, 118716, 135458, 178074, 203187, 270916, 356148, 406374, 609561, 812748, 880477, 1219122, 1760954, 2438244, 2641431, 3521908, 5282862, 7924293, 10565724, 15848586, 31697172]

約数ペア:

[(1, 31697172), (2, 15848586), (3, 10565724), (4, 7924293), (6, 5282862), (9, 3521908), (12, 2641431), (13, 2438244), (18, 1760954), (26, 1219122), (36, 880477), (39, 812748), (52, 609561), (78, 406374), (89, 356148), (117, 270916), (156, 203187), (178, 178074), (234, 135458), (267, 118716), (356, 89037), (468, 67729), (534, 59358), (761, 41652), (801, 39572), (1068, 29679), (1157, 27396), (1522, 20826), (1602, 19786), (2283, 13884), (2314, 13698), (3044, 10413), (3204, 9893), (3471, 9132), (4566, 6942), (4628, 6849)]