181989468

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 477300096

約数和(自身を除く): 295310628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 313, 372, 521, 558, 626, 939, 1042, 1116, 1252, 1563, 1878, 2084, 2817, 3126, 3756, 4689, 5634, 6252, 9378, 9703, 11268, 16151, 18756, 19406, 29109, 32302, 38812, 48453, 58218, 64604, 87327, 96906, 116436, 145359, 163073, 174654, 193812, 290718, 326146, 349308, 489219, 581436, 652292, 978438, 1467657, 1956876, 2935314, 5055263, 5870628, 10110526, 15165789, 20221052, 30331578, 45497367, 60663156, 90994734, 181989468]

約数ペア:

[(1, 181989468), (2, 90994734), (3, 60663156), (4, 45497367), (6, 30331578), (9, 20221052), (12, 15165789), (18, 10110526), (31, 5870628), (36, 5055263), (62, 2935314), (93, 1956876), (124, 1467657), (186, 978438), (279, 652292), (313, 581436), (372, 489219), (521, 349308), (558, 326146), (626, 290718), (939, 193812), (1042, 174654), (1116, 163073), (1252, 145359), (1563, 116436), (1878, 96906), (2084, 87327), (2817, 64604), (3126, 58218), (3756, 48453), (4689, 38812), (5634, 32302), (6252, 29109), (9378, 19406), (9703, 18756), (11268, 16151)]