644306684

素因数分解:

$2^2\times 7^2\times {\mathrm{683}}^1\times {\mathrm{4813}}^1$

素因数の和:5514

約数の個数: 36

約数和(自身を含む): 1313817624

約数和(自身を除く): 669510940

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 683, 1366, 2732, 4781, 4813, 9562, 9626, 19124, 19252, 33467, 33691, 66934, 67382, 133868, 134764, 235837, 471674, 943348, 3287279, 6574558, 13149116, 23010953, 46021906, 92043812, 161076671, 322153342, 644306684]

約数ペア:

[(1, 644306684), (2, 322153342), (4, 161076671), (7, 92043812), (14, 46021906), (28, 23010953), (49, 13149116), (98, 6574558), (196, 3287279), (683, 943348), (1366, 471674), (2732, 235837), (4781, 134764), (4813, 133868), (9562, 67382), (9626, 66934), (19124, 33691), (19252, 33467)]