399451384

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{2243}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 759773520

約数和(自身を除く): 360322136

約数列:

[1, 2, 4, 8, 113, 197, 226, 394, 452, 788, 904, 1576, 2243, 4486, 8972, 17944, 22261, 44522, 89044, 178088, 253459, 441871, 506918, 883742, 1013836, 1767484, 2027672, 3534968, 49931423, 99862846, 199725692, 399451384]

約数ペア:

[(1, 399451384), (2, 199725692), (4, 99862846), (8, 49931423), (113, 3534968), (197, 2027672), (226, 1767484), (394, 1013836), (452, 883742), (788, 506918), (904, 441871), (1576, 253459), (2243, 178088), (4486, 89044), (8972, 44522), (17944, 22261)]