9919756

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 22752576

約数和(自身を除く): 12832820

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 107, 154, 172, 196, 214, 301, 308, 428, 473, 539, 602, 749, 946, 1078, 1177, 1204, 1498, 1892, 2107, 2156, 2354, 2996, 3311, 4214, 4601, 4708, 5243, 6622, 8239, 8428, 9202, 10486, 13244, 16478, 18404, 20972, 23177, 32207, 32956, 46354, 50611, 57673, 64414, 92708, 101222, 115346, 128828, 202444, 225449, 230692, 354277, 450898, 708554, 901796, 1417108, 2479939, 4959878, 9919756]

約数ペア:

[(1, 9919756), (2, 4959878), (4, 2479939), (7, 1417108), (11, 901796), (14, 708554), (22, 450898), (28, 354277), (43, 230692), (44, 225449), (49, 202444), (77, 128828), (86, 115346), (98, 101222), (107, 92708), (154, 64414), (172, 57673), (196, 50611), (214, 46354), (301, 32956), (308, 32207), (428, 23177), (473, 20972), (539, 18404), (602, 16478), (749, 13244), (946, 10486), (1078, 9202), (1177, 8428), (1204, 8239), (1498, 6622), (1892, 5243), (2107, 4708), (2156, 4601), (2354, 4214), (2996, 3311)]