638443008

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{19793}}^1$

素因数の和:19824

約数の個数: 120

約数和(自身を含む): 2105923248

約数和(自身を除く): 1467480240

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2688, 3584, 4032, 4608, 5376, 8064, 10752, 16128, 19793, 32256, 39586, 59379, 79172, 118758, 138551, 158344, 178137, 237516, 277102, 316688, 356274, 415653, 475032, 554204, 633376, 712548, 831306, 950064, 1108408, 1246959, 1266752, 1425096, 1662612, 1900128, 2216816, 2493918, 2533504, 2850192, 3325224, 3800256, 4433632, 4987836, 5067008, 5700384, 6650448, 7600512, 8867264, 9975672, 10134016, 11400768, 13300896, 15201024, 17734528, 19951344, 22801536, 26601792, 30402048, 35469056, 39902688, 45603072, 53203584, 70938112, 79805376, 91206144, 106407168, 159610752, 212814336, 319221504, 638443008]

約数ペア:

[(1, 638443008), (2, 319221504), (3, 212814336), (4, 159610752), (6, 106407168), (7, 91206144), (8, 79805376), (9, 70938112), (12, 53203584), (14, 45603072), (16, 39902688), (18, 35469056), (21, 30402048), (24, 26601792), (28, 22801536), (32, 19951344), (36, 17734528), (42, 15201024), (48, 13300896), (56, 11400768), (63, 10134016), (64, 9975672), (72, 8867264), (84, 7600512), (96, 6650448), (112, 5700384), (126, 5067008), (128, 4987836), (144, 4433632), (168, 3800256), (192, 3325224), (224, 2850192), (252, 2533504), (256, 2493918), (288, 2216816), (336, 1900128), (384, 1662612), (448, 1425096), (504, 1266752), (512, 1246959), (576, 1108408), (672, 950064), (768, 831306), (896, 712548), (1008, 633376), (1152, 554204), (1344, 475032), (1536, 415653), (1792, 356274), (2016, 316688), (2304, 277102), (2688, 237516), (3584, 178137), (4032, 158344), (4608, 138551), (5376, 118758), (8064, 79172), (10752, 59379), (16128, 39586), (19793, 32256)]