28028308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 66624768

約数和(自身を除く): 38596460

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 53, 68, 77, 101, 106, 119, 154, 187, 202, 212, 238, 308, 371, 374, 404, 476, 583, 707, 742, 748, 901, 1111, 1166, 1309, 1414, 1484, 1717, 1802, 2222, 2332, 2618, 2828, 3434, 3604, 4081, 4444, 5236, 5353, 6307, 6868, 7777, 8162, 9911, 10706, 12019, 12614, 15554, 16324, 18887, 19822, 21412, 24038, 25228, 31108, 37471, 37774, 39644, 48076, 58883, 69377, 74942, 75548, 91001, 117766, 132209, 138754, 149884, 182002, 235532, 264418, 277508, 364004, 412181, 528836, 637007, 824362, 1001011, 1274014, 1648724, 2002022, 2548028, 4004044, 7007077, 14014154, 28028308]

約数ペア:

[(1, 28028308), (2, 14014154), (4, 7007077), (7, 4004044), (11, 2548028), (14, 2002022), (17, 1648724), (22, 1274014), (28, 1001011), (34, 824362), (44, 637007), (53, 528836), (68, 412181), (77, 364004), (101, 277508), (106, 264418), (119, 235532), (154, 182002), (187, 149884), (202, 138754), (212, 132209), (238, 117766), (308, 91001), (371, 75548), (374, 74942), (404, 69377), (476, 58883), (583, 48076), (707, 39644), (742, 37774), (748, 37471), (901, 31108), (1111, 25228), (1166, 24038), (1309, 21412), (1414, 19822), (1484, 18887), (1717, 16324), (1802, 15554), (2222, 12614), (2332, 12019), (2618, 10706), (2828, 9911), (3434, 8162), (3604, 7777), (4081, 6868), (4444, 6307), (5236, 5353)]