245199774

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 497540736

約数和(自身を除く): 252340962

約数列:

[1, 2, 3, 6, 131, 157, 262, 314, 393, 471, 786, 942, 1987, 3974, 5961, 11922, 20567, 41134, 61701, 123402, 260297, 311959, 520594, 623918, 780891, 935877, 1561782, 1871754, 40866629, 81733258, 122599887, 245199774]

約数ペア:

[(1, 245199774), (2, 122599887), (3, 81733258), (6, 40866629), (131, 1871754), (157, 1561782), (262, 935877), (314, 780891), (393, 623918), (471, 520594), (786, 311959), (942, 260297), (1987, 123402), (3974, 61701), (5961, 41134), (11922, 20567)]