978956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 1968960

約数和(自身を除く): 990004

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 1171, 2342, 4684, 12881, 22249, 25762, 44498, 51524, 88996, 244739, 489478, 978956]

約数ペア:

[(1, 978956), (2, 489478), (4, 244739), (11, 88996), (19, 51524), (22, 44498), (38, 25762), (44, 22249), (76, 12881), (209, 4684), (418, 2342), (836, 1171)]