256862858

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 449100288

約数和(自身を除く): 192237430

約数列:

[1, 2, 7, 14, 67, 134, 251, 469, 502, 938, 1091, 1757, 2182, 3514, 7637, 15274, 16817, 33634, 73097, 117719, 146194, 235438, 273841, 511679, 547682, 1023358, 1916887, 3833774, 18347347, 36694694, 128431429, 256862858]

約数ペア:

[(1, 256862858), (2, 128431429), (7, 36694694), (14, 18347347), (67, 3833774), (134, 1916887), (251, 1023358), (469, 547682), (502, 511679), (938, 273841), (1091, 235438), (1757, 146194), (2182, 117719), (3514, 73097), (7637, 33634), (15274, 16817)]