257175128

素因数分解:

$2^3\times 7^2\times {\mathrm{307}}^1\times {\mathrm{2137}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 563020920

約数和(自身を除く): 305845792

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 307, 392, 614, 1228, 2137, 2149, 2456, 4274, 4298, 8548, 8596, 14959, 15043, 17096, 17192, 29918, 30086, 59836, 60172, 104713, 119672, 120344, 209426, 418852, 656059, 837704, 1312118, 2624236, 4592413, 5248472, 9184826, 18369652, 32146891, 36739304, 64293782, 128587564, 257175128]

約数ペア:

[(1, 257175128), (2, 128587564), (4, 64293782), (7, 36739304), (8, 32146891), (14, 18369652), (28, 9184826), (49, 5248472), (56, 4592413), (98, 2624236), (196, 1312118), (307, 837704), (392, 656059), (614, 418852), (1228, 209426), (2137, 120344), (2149, 119672), (2456, 104713), (4274, 60172), (4298, 59836), (8548, 30086), (8596, 29918), (14959, 17192), (15043, 17096)]