16289988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 45045504

約数和(自身を除く): 28755516

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 863, 1452, 1573, 1716, 1726, 2589, 3146, 3452, 4719, 5178, 6292, 9438, 9493, 10356, 11219, 18876, 18986, 22438, 28479, 33657, 37972, 44876, 56958, 67314, 104423, 113916, 123409, 134628, 208846, 246818, 313269, 370227, 417692, 493636, 626538, 740454, 1253076, 1357499, 1480908, 2714998, 4072497, 5429996, 8144994, 16289988]

約数ペア:

[(1, 16289988), (2, 8144994), (3, 5429996), (4, 4072497), (6, 2714998), (11, 1480908), (12, 1357499), (13, 1253076), (22, 740454), (26, 626538), (33, 493636), (39, 417692), (44, 370227), (52, 313269), (66, 246818), (78, 208846), (121, 134628), (132, 123409), (143, 113916), (156, 104423), (242, 67314), (286, 56958), (363, 44876), (429, 37972), (484, 33657), (572, 28479), (726, 22438), (858, 18986), (863, 18876), (1452, 11219), (1573, 10356), (1716, 9493), (1726, 9438), (2589, 6292), (3146, 5178), (3452, 4719)]