9821812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 23356928

約数和(自身を除く): 13535116

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 223, 242, 286, 308, 364, 446, 484, 572, 847, 892, 1001, 1561, 1573, 1694, 2002, 2453, 2899, 3122, 3146, 3388, 4004, 4906, 5798, 6244, 6292, 9812, 11011, 11596, 17171, 20293, 22022, 26983, 31889, 34342, 40586, 44044, 53966, 63778, 68684, 81172, 107932, 127556, 188881, 223223, 350779, 377762, 446446, 701558, 755524, 892892, 1403116, 2455453, 4910906, 9821812]

約数ペア:

[(1, 9821812), (2, 4910906), (4, 2455453), (7, 1403116), (11, 892892), (13, 755524), (14, 701558), (22, 446446), (26, 377762), (28, 350779), (44, 223223), (52, 188881), (77, 127556), (91, 107932), (121, 81172), (143, 68684), (154, 63778), (182, 53966), (223, 44044), (242, 40586), (286, 34342), (308, 31889), (364, 26983), (446, 22022), (484, 20293), (572, 17171), (847, 11596), (892, 11011), (1001, 9812), (1561, 6292), (1573, 6244), (1694, 5798), (2002, 4906), (2453, 4004), (2899, 3388), (3122, 3146)]