318032128

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 657252288

約数和(自身を除く): 339220160

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 167, 172, 173, 256, 334, 344, 346, 668, 688, 692, 1336, 1376, 1384, 2672, 2752, 2768, 5344, 5504, 5536, 7181, 7439, 10688, 11008, 11072, 14362, 14878, 21376, 22144, 28724, 28891, 29756, 42752, 44288, 57448, 57782, 59512, 114896, 115564, 119024, 229792, 231128, 238048, 459584, 462256, 476096, 919168, 924512, 952192, 1242313, 1838336, 1849024, 1904384, 2484626, 3698048, 4969252, 7396096, 9938504, 19877008, 39754016, 79508032, 159016064, 318032128]

約数ペア:

[(1, 318032128), (2, 159016064), (4, 79508032), (8, 39754016), (16, 19877008), (32, 9938504), (43, 7396096), (64, 4969252), (86, 3698048), (128, 2484626), (167, 1904384), (172, 1849024), (173, 1838336), (256, 1242313), (334, 952192), (344, 924512), (346, 919168), (668, 476096), (688, 462256), (692, 459584), (1336, 238048), (1376, 231128), (1384, 229792), (2672, 119024), (2752, 115564), (2768, 114896), (5344, 59512), (5504, 57782), (5536, 57448), (7181, 44288), (7439, 42752), (10688, 29756), (11008, 28891), (11072, 28724), (14362, 22144), (14878, 21376)]