81731136

素因数分解:

$2^6\times 3^1\times {\mathrm{167}}^1\times {\mathrm{2549}}^1$

素因数の和:2731

約数の個数: 56

約数和(自身を含む): 217627200

約数和(自身を除く): 135896064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 167, 192, 334, 501, 668, 1002, 1336, 2004, 2549, 2672, 4008, 5098, 5344, 7647, 8016, 10196, 10688, 15294, 16032, 20392, 30588, 32064, 40784, 61176, 81568, 122352, 163136, 244704, 425683, 489408, 851366, 1277049, 1702732, 2554098, 3405464, 5108196, 6810928, 10216392, 13621856, 20432784, 27243712, 40865568, 81731136]

約数ペア:

[(1, 81731136), (2, 40865568), (3, 27243712), (4, 20432784), (6, 13621856), (8, 10216392), (12, 6810928), (16, 5108196), (24, 3405464), (32, 2554098), (48, 1702732), (64, 1277049), (96, 851366), (167, 489408), (192, 425683), (334, 244704), (501, 163136), (668, 122352), (1002, 81568), (1336, 61176), (2004, 40784), (2549, 32064), (2672, 30588), (4008, 20392), (5098, 16032), (5344, 15294), (7647, 10688), (8016, 10196)]