155291248

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{17551}}^1$

素因数の和:17645

約数の個数: 40

約数和(自身を含む): 348231680

約数和(自身を除く): 192940432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 17551, 35102, 70204, 122857, 140408, 245714, 280816, 491428, 982856, 1386529, 1965712, 2773058, 5546116, 9705703, 11092232, 19411406, 22184464, 38822812, 77645624, 155291248]

約数ペア:

[(1, 155291248), (2, 77645624), (4, 38822812), (7, 22184464), (8, 19411406), (14, 11092232), (16, 9705703), (28, 5546116), (56, 2773058), (79, 1965712), (112, 1386529), (158, 982856), (316, 491428), (553, 280816), (632, 245714), (1106, 140408), (1264, 122857), (2212, 70204), (4424, 35102), (8848, 17551)]