257753658

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{10139}}^1$

素因数の和:10386

約数の個数: 32

約数和(自身を含む): 545126400

約数和(自身を除く): 287372742

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 223, 446, 669, 1338, 4237, 8474, 10139, 12711, 20278, 25422, 30417, 60834, 192641, 385282, 577923, 1155846, 2260997, 4521994, 6782991, 13565982, 42958943, 85917886, 128876829, 257753658]

約数ペア:

[(1, 257753658), (2, 128876829), (3, 85917886), (6, 42958943), (19, 13565982), (38, 6782991), (57, 4521994), (114, 2260997), (223, 1155846), (446, 577923), (669, 385282), (1338, 192641), (4237, 60834), (8474, 30417), (10139, 25422), (12711, 20278)]