256699404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{548503}}^1$

素因数の和:548526

約数の個数: 36

約数和(自身を含む): 698794096

約数和(自身を除く): 442094692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 548503, 1097006, 1645509, 2194012, 3291018, 4936527, 6582036, 7130539, 9873054, 14261078, 19746108, 21391617, 28522156, 42783234, 64174851, 85566468, 128349702, 256699404]

約数ペア:

[(1, 256699404), (2, 128349702), (3, 85566468), (4, 64174851), (6, 42783234), (9, 28522156), (12, 21391617), (13, 19746108), (18, 14261078), (26, 9873054), (36, 7130539), (39, 6582036), (52, 4936527), (78, 3291018), (117, 2194012), (156, 1645509), (234, 1097006), (468, 548503)]