78789776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5189}}^1$

素因数の和:5283

約数の個数: 40

約数和(自身を含む): 166682040

約数和(自身を除く): 87892264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 5189, 7592, 10378, 15184, 20756, 41512, 67457, 83024, 134914, 269828, 378797, 539656, 757594, 1079312, 1515188, 3030376, 4924361, 6060752, 9848722, 19697444, 39394888, 78789776]

約数ペア:

[(1, 78789776), (2, 39394888), (4, 19697444), (8, 9848722), (13, 6060752), (16, 4924361), (26, 3030376), (52, 1515188), (73, 1079312), (104, 757594), (146, 539656), (208, 378797), (292, 269828), (584, 134914), (949, 83024), (1168, 67457), (1898, 41512), (3796, 20756), (5189, 15184), (7592, 10378)]