278659368

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{22901}}^1$

素因数の和:22939

約数の個数: 72

約数和(自身を含む): 817257870

約数和(自身を除く): 538598502

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 22901, 45802, 68703, 91604, 137406, 183208, 206109, 274812, 297713, 412218, 549624, 595426, 824436, 893139, 1190852, 1648872, 1786278, 2381704, 2679417, 3572556, 3870269, 5358834, 7145112, 7740538, 10717668, 11610807, 15481076, 21435336, 23221614, 30962152, 34832421, 46443228, 69664842, 92886456, 139329684, 278659368]

約数ペア:

[(1, 278659368), (2, 139329684), (3, 92886456), (4, 69664842), (6, 46443228), (8, 34832421), (9, 30962152), (12, 23221614), (13, 21435336), (18, 15481076), (24, 11610807), (26, 10717668), (36, 7740538), (39, 7145112), (52, 5358834), (72, 3870269), (78, 3572556), (104, 2679417), (117, 2381704), (156, 1786278), (169, 1648872), (234, 1190852), (312, 893139), (338, 824436), (468, 595426), (507, 549624), (676, 412218), (936, 297713), (1014, 274812), (1352, 206109), (1521, 183208), (2028, 137406), (3042, 91604), (4056, 68703), (6084, 45802), (12168, 22901)]