68278028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 151506432

約数和(自身を除く): 83228404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 169, 182, 188, 307, 329, 338, 364, 611, 614, 658, 676, 1183, 1222, 1228, 1316, 2149, 2366, 2444, 3991, 4277, 4298, 4732, 7943, 7982, 8554, 8596, 14429, 15886, 15964, 17108, 27937, 28858, 31772, 51883, 55601, 55874, 57716, 101003, 103766, 111202, 111748, 187577, 202006, 207532, 222404, 363181, 375154, 404012, 726362, 750308, 1313039, 1452724, 2438501, 2626078, 4877002, 5252156, 9754004, 17069507, 34139014, 68278028]

約数ペア:

[(1, 68278028), (2, 34139014), (4, 17069507), (7, 9754004), (13, 5252156), (14, 4877002), (26, 2626078), (28, 2438501), (47, 1452724), (52, 1313039), (91, 750308), (94, 726362), (169, 404012), (182, 375154), (188, 363181), (307, 222404), (329, 207532), (338, 202006), (364, 187577), (611, 111748), (614, 111202), (658, 103766), (676, 101003), (1183, 57716), (1222, 55874), (1228, 55601), (1316, 51883), (2149, 31772), (2366, 28858), (2444, 27937), (3991, 17108), (4277, 15964), (4298, 15886), (4732, 14429), (7943, 8596), (7982, 8554)]