221287976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7069}}^1$

素因数の和:7138

約数の個数: 64

約数和(自身を含む): 522614400

約数和(自身を除く): 301326424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 1118, 1204, 2236, 2408, 3913, 4472, 7069, 7826, 14138, 15652, 28276, 31304, 49483, 56552, 91897, 98966, 183794, 197932, 303967, 367588, 395864, 607934, 643279, 735176, 1215868, 1286558, 2127769, 2431736, 2573116, 3951571, 4255538, 5146232, 7903142, 8511076, 15806284, 17022152, 27660997, 31612568, 55321994, 110643988, 221287976]

約数ペア:

[(1, 221287976), (2, 110643988), (4, 55321994), (7, 31612568), (8, 27660997), (13, 17022152), (14, 15806284), (26, 8511076), (28, 7903142), (43, 5146232), (52, 4255538), (56, 3951571), (86, 2573116), (91, 2431736), (104, 2127769), (172, 1286558), (182, 1215868), (301, 735176), (344, 643279), (364, 607934), (559, 395864), (602, 367588), (728, 303967), (1118, 197932), (1204, 183794), (2236, 98966), (2408, 91897), (3913, 56552), (4472, 49483), (7069, 31304), (7826, 28276), (14138, 15652)]