39928424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 83160000

約数和(自身を除く): 43231576

約数列:

[1, 2, 4, 8, 19, 38, 41, 43, 76, 82, 86, 149, 152, 164, 172, 298, 328, 344, 596, 779, 817, 1192, 1558, 1634, 1763, 2831, 3116, 3268, 3526, 5662, 6109, 6232, 6407, 6536, 7052, 11324, 12218, 12814, 14104, 22648, 24436, 25628, 33497, 48872, 51256, 66994, 116071, 121733, 133988, 232142, 243466, 262687, 267976, 464284, 486932, 525374, 928568, 973864, 1050748, 2101496, 4991053, 9982106, 19964212, 39928424]

約数ペア:

[(1, 39928424), (2, 19964212), (4, 9982106), (8, 4991053), (19, 2101496), (38, 1050748), (41, 973864), (43, 928568), (76, 525374), (82, 486932), (86, 464284), (149, 267976), (152, 262687), (164, 243466), (172, 232142), (298, 133988), (328, 121733), (344, 116071), (596, 66994), (779, 51256), (817, 48872), (1192, 33497), (1558, 25628), (1634, 24436), (1763, 22648), (2831, 14104), (3116, 12814), (3268, 12218), (3526, 11324), (5662, 7052), (6109, 6536), (6232, 6407)]