81685188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{503}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 223449408

約数和(自身を除く): 141764220

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 347, 468, 503, 694, 1006, 1041, 1388, 1509, 2012, 2082, 3018, 3123, 4164, 4511, 4527, 6036, 6246, 6539, 9022, 9054, 12492, 13078, 13533, 18044, 18108, 19617, 26156, 27066, 39234, 40599, 54132, 58851, 78468, 81198, 117702, 162396, 174541, 235404, 349082, 523623, 698164, 1047246, 1570869, 2094492, 2269033, 3141738, 4538066, 6283476, 6807099, 9076132, 13614198, 20421297, 27228396, 40842594, 81685188]

約数ペア:

[(1, 81685188), (2, 40842594), (3, 27228396), (4, 20421297), (6, 13614198), (9, 9076132), (12, 6807099), (13, 6283476), (18, 4538066), (26, 3141738), (36, 2269033), (39, 2094492), (52, 1570869), (78, 1047246), (117, 698164), (156, 523623), (234, 349082), (347, 235404), (468, 174541), (503, 162396), (694, 117702), (1006, 81198), (1041, 78468), (1388, 58851), (1509, 54132), (2012, 40599), (2082, 39234), (3018, 27066), (3123, 26156), (4164, 19617), (4511, 18108), (4527, 18044), (6036, 13533), (6246, 13078), (6539, 12492), (9022, 9054)]