256617544

素因数分解:

$2^3\times {\mathrm{167}}^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 486259200

約数和(自身を除く): 229641656

約数列:

[1, 2, 4, 8, 167, 334, 401, 479, 668, 802, 958, 1336, 1604, 1916, 3208, 3832, 66967, 79993, 133934, 159986, 192079, 267868, 319972, 384158, 535736, 639944, 768316, 1536632, 32077193, 64154386, 128308772, 256617544]

約数ペア:

[(1, 256617544), (2, 128308772), (4, 64154386), (8, 32077193), (167, 1536632), (334, 768316), (401, 639944), (479, 535736), (668, 384158), (802, 319972), (958, 267868), (1336, 192079), (1604, 159986), (1916, 133934), (3208, 79993), (3832, 66967)]