644207874

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{10781}}^1$

素因数の和:11242

約数の個数: 32

約数和(自身を含む): 1347663744

約数和(自身を除く): 703455870

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 433, 866, 1299, 2598, 9959, 10781, 19918, 21562, 29877, 32343, 59754, 64686, 247963, 495926, 743889, 1487778, 4668173, 9336346, 14004519, 28009038, 107367979, 214735958, 322103937, 644207874]

約数ペア:

[(1, 644207874), (2, 322103937), (3, 214735958), (6, 107367979), (23, 28009038), (46, 14004519), (69, 9336346), (138, 4668173), (433, 1487778), (866, 743889), (1299, 495926), (2598, 247963), (9959, 64686), (10781, 59754), (19918, 32343), (21562, 29877)]