2989688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 6804000

約数和(自身を除く): 3814312

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 89, 104, 136, 152, 178, 221, 247, 323, 356, 442, 494, 646, 712, 884, 988, 1157, 1292, 1513, 1691, 1768, 1976, 2314, 2584, 3026, 3382, 4199, 4628, 6052, 6764, 8398, 9256, 12104, 13528, 16796, 19669, 21983, 28747, 33592, 39338, 43966, 57494, 78676, 87932, 114988, 157352, 175864, 229976, 373711, 747422, 1494844, 2989688]

約数ペア:

[(1, 2989688), (2, 1494844), (4, 747422), (8, 373711), (13, 229976), (17, 175864), (19, 157352), (26, 114988), (34, 87932), (38, 78676), (52, 57494), (68, 43966), (76, 39338), (89, 33592), (104, 28747), (136, 21983), (152, 19669), (178, 16796), (221, 13528), (247, 12104), (323, 9256), (356, 8398), (442, 6764), (494, 6052), (646, 4628), (712, 4199), (884, 3382), (988, 3026), (1157, 2584), (1292, 2314), (1513, 1976), (1691, 1768)]