664731656

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{5189}}^1$

素因数の和:5501

約数の個数: 32

約数和(自身を含む): 1270512000

約数和(自身を除く): 605780344

約数列:

[1, 2, 4, 8, 67, 134, 239, 268, 478, 536, 956, 1912, 5189, 10378, 16013, 20756, 32026, 41512, 64052, 128104, 347663, 695326, 1240171, 1390652, 2480342, 2781304, 4960684, 9921368, 83091457, 166182914, 332365828, 664731656]

約数ペア:

[(1, 664731656), (2, 332365828), (4, 166182914), (8, 83091457), (67, 9921368), (134, 4960684), (239, 2781304), (268, 2480342), (478, 1390652), (536, 1240171), (956, 695326), (1912, 347663), (5189, 128104), (10378, 64052), (16013, 41512), (20756, 32026)]