7642921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 9878400

約数和(自身を除く): 2235479

約数列:

[1, 11, 13, 19, 29, 97, 143, 209, 247, 319, 377, 551, 1067, 1261, 1843, 2717, 2813, 4147, 6061, 7163, 13871, 20273, 23959, 30943, 36569, 53447, 78793, 263549, 402259, 587917, 694811, 7642921]

約数ペア:

[(1, 7642921), (11, 694811), (13, 587917), (19, 402259), (29, 263549), (97, 78793), (143, 53447), (209, 36569), (247, 30943), (319, 23959), (377, 20273), (551, 13871), (1067, 7163), (1261, 6061), (1843, 4147), (2717, 2813)]