399310248

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2633}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 1024099200

約数和(自身を除く): 624788952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 89, 142, 178, 213, 267, 284, 356, 426, 534, 568, 712, 852, 1068, 1704, 2136, 2633, 5266, 6319, 7899, 10532, 12638, 15798, 18957, 21064, 25276, 31596, 37914, 50552, 63192, 75828, 151656, 186943, 234337, 373886, 468674, 560829, 703011, 747772, 937348, 1121658, 1406022, 1495544, 1874696, 2243316, 2812044, 4486632, 5624088, 16637927, 33275854, 49913781, 66551708, 99827562, 133103416, 199655124, 399310248]

約数ペア:

[(1, 399310248), (2, 199655124), (3, 133103416), (4, 99827562), (6, 66551708), (8, 49913781), (12, 33275854), (24, 16637927), (71, 5624088), (89, 4486632), (142, 2812044), (178, 2243316), (213, 1874696), (267, 1495544), (284, 1406022), (356, 1121658), (426, 937348), (534, 747772), (568, 703011), (712, 560829), (852, 468674), (1068, 373886), (1704, 234337), (2136, 186943), (2633, 151656), (5266, 75828), (6319, 63192), (7899, 50552), (10532, 37914), (12638, 31596), (15798, 25276), (18957, 21064)]