393328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 40

約数和(自身を含む): 861056

約数和(自身を除く): 467728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 104, 122, 124, 208, 244, 248, 403, 488, 496, 793, 806, 976, 1586, 1612, 1891, 3172, 3224, 3782, 6344, 6448, 7564, 12688, 15128, 24583, 30256, 49166, 98332, 196664, 393328]

約数ペア:

[(1, 393328), (2, 196664), (4, 98332), (8, 49166), (13, 30256), (16, 24583), (26, 15128), (31, 12688), (52, 7564), (61, 6448), (62, 6344), (104, 3782), (122, 3224), (124, 3172), (208, 1891), (244, 1612), (248, 1586), (403, 976), (488, 806), (496, 793)]