31981824

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 144

約数和(自身を含む): 108250240

約数和(自身を除く): 76268416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 576, 661, 672, 756, 768, 864, 896, 1008, 1152, 1322, 1344, 1512, 1728, 1792, 1983, 2016, 2304, 2644, 2688, 3024, 3456, 3966, 4032, 4627, 5288, 5376, 5949, 6048, 6912, 7932, 8064, 9254, 10576, 11898, 12096, 13881, 15864, 16128, 17847, 18508, 21152, 23796, 24192, 27762, 31728, 35694, 37016, 41643, 42304, 47592, 48384, 55524, 63456, 71388, 74032, 83286, 84608, 95184, 111048, 124929, 126912, 142776, 148064, 166572, 169216, 190368, 222096, 249858, 253824, 285552, 296128, 333144, 380736, 444192, 499716, 507648, 571104, 592256, 666288, 761472, 888384, 999432, 1142208, 1184512, 1332576, 1522944, 1776768, 1998864, 2284416, 2665152, 3553536, 3997728, 4568832, 5330304, 7995456, 10660608, 15990912, 31981824]

約数ペア:

[(1, 31981824), (2, 15990912), (3, 10660608), (4, 7995456), (6, 5330304), (7, 4568832), (8, 3997728), (9, 3553536), (12, 2665152), (14, 2284416), (16, 1998864), (18, 1776768), (21, 1522944), (24, 1332576), (27, 1184512), (28, 1142208), (32, 999432), (36, 888384), (42, 761472), (48, 666288), (54, 592256), (56, 571104), (63, 507648), (64, 499716), (72, 444192), (84, 380736), (96, 333144), (108, 296128), (112, 285552), (126, 253824), (128, 249858), (144, 222096), (168, 190368), (189, 169216), (192, 166572), (216, 148064), (224, 142776), (252, 126912), (256, 124929), (288, 111048), (336, 95184), (378, 84608), (384, 83286), (432, 74032), (448, 71388), (504, 63456), (576, 55524), (661, 48384), (672, 47592), (756, 42304), (768, 41643), (864, 37016), (896, 35694), (1008, 31728), (1152, 27762), (1322, 24192), (1344, 23796), (1512, 21152), (1728, 18508), (1792, 17847), (1983, 16128), (2016, 15864), (2304, 13881), (2644, 12096), (2688, 11898), (3024, 10576), (3456, 9254), (3966, 8064), (4032, 7932), (4627, 6912), (5288, 6048), (5376, 5949)]