22157212

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 50561280

約数和(自身を除く): 28404068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 239, 301, 308, 473, 478, 539, 602, 946, 956, 1078, 1204, 1673, 1892, 2107, 2156, 2629, 3311, 3346, 4214, 5258, 6622, 6692, 8428, 10277, 10516, 11711, 13244, 18403, 20554, 23177, 23422, 36806, 41108, 46354, 46844, 71939, 73612, 92708, 113047, 128821, 143878, 226094, 257642, 287756, 452188, 503573, 515284, 791329, 1007146, 1582658, 2014292, 3165316, 5539303, 11078606, 22157212]

約数ペア:

[(1, 22157212), (2, 11078606), (4, 5539303), (7, 3165316), (11, 2014292), (14, 1582658), (22, 1007146), (28, 791329), (43, 515284), (44, 503573), (49, 452188), (77, 287756), (86, 257642), (98, 226094), (154, 143878), (172, 128821), (196, 113047), (239, 92708), (301, 73612), (308, 71939), (473, 46844), (478, 46354), (539, 41108), (602, 36806), (946, 23422), (956, 23177), (1078, 20554), (1204, 18403), (1673, 13244), (1892, 11711), (2107, 10516), (2156, 10277), (2629, 8428), (3311, 6692), (3346, 6622), (4214, 5258)]