15979964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 37876608

約数和(自身を除く): 21896644

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 169, 182, 286, 307, 308, 338, 364, 572, 614, 676, 1001, 1183, 1228, 1859, 2002, 2149, 2366, 3377, 3718, 3991, 4004, 4298, 4732, 6754, 7436, 7982, 8596, 13013, 13508, 15964, 23639, 26026, 27937, 43901, 47278, 51883, 52052, 55874, 87802, 94556, 103766, 111748, 175604, 207532, 307307, 363181, 570713, 614614, 726362, 1141426, 1229228, 1452724, 2282852, 3994991, 7989982, 15979964]

約数ペア:

[(1, 15979964), (2, 7989982), (4, 3994991), (7, 2282852), (11, 1452724), (13, 1229228), (14, 1141426), (22, 726362), (26, 614614), (28, 570713), (44, 363181), (52, 307307), (77, 207532), (91, 175604), (143, 111748), (154, 103766), (169, 94556), (182, 87802), (286, 55874), (307, 52052), (308, 51883), (338, 47278), (364, 43901), (572, 27937), (614, 26026), (676, 23639), (1001, 15964), (1183, 13508), (1228, 13013), (1859, 8596), (2002, 7982), (2149, 7436), (2366, 6754), (3377, 4732), (3718, 4298), (3991, 4004)]