840197844

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{1093}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 2155144992

約数和(自身を除く): 1314947148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 163, 262, 326, 393, 489, 524, 652, 786, 978, 1093, 1179, 1467, 1572, 1956, 2186, 2358, 2934, 3279, 4372, 4716, 5868, 6558, 9837, 13116, 19674, 21353, 39348, 42706, 64059, 85412, 128118, 143183, 178159, 192177, 256236, 286366, 356318, 384354, 429549, 534477, 572732, 712636, 768708, 859098, 1068954, 1288647, 1603431, 1718196, 2137908, 2577294, 3206862, 5154588, 6413724, 23338829, 46677658, 70016487, 93355316, 140032974, 210049461, 280065948, 420098922, 840197844]

約数ペア:

[(1, 840197844), (2, 420098922), (3, 280065948), (4, 210049461), (6, 140032974), (9, 93355316), (12, 70016487), (18, 46677658), (36, 23338829), (131, 6413724), (163, 5154588), (262, 3206862), (326, 2577294), (393, 2137908), (489, 1718196), (524, 1603431), (652, 1288647), (786, 1068954), (978, 859098), (1093, 768708), (1179, 712636), (1467, 572732), (1572, 534477), (1956, 429549), (2186, 384354), (2358, 356318), (2934, 286366), (3279, 256236), (4372, 192177), (4716, 178159), (5868, 143183), (6558, 128118), (9837, 85412), (13116, 64059), (19674, 42706), (21353, 39348)]