78108548

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 166239360

約数和(自身を除く): 88130812

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 61, 94, 98, 122, 139, 188, 196, 244, 278, 329, 427, 556, 658, 854, 973, 1316, 1708, 1946, 2303, 2867, 2989, 3892, 4606, 5734, 5978, 6533, 6811, 8479, 9212, 11468, 11956, 13066, 13622, 16958, 20069, 26132, 27244, 33916, 40138, 45731, 59353, 80276, 91462, 118706, 140483, 182924, 237412, 280966, 320117, 398513, 415471, 561932, 640234, 797026, 830942, 1280468, 1594052, 1661884, 2789591, 5579182, 11158364, 19527137, 39054274, 78108548]

約数ペア:

[(1, 78108548), (2, 39054274), (4, 19527137), (7, 11158364), (14, 5579182), (28, 2789591), (47, 1661884), (49, 1594052), (61, 1280468), (94, 830942), (98, 797026), (122, 640234), (139, 561932), (188, 415471), (196, 398513), (244, 320117), (278, 280966), (329, 237412), (427, 182924), (556, 140483), (658, 118706), (854, 91462), (973, 80276), (1316, 59353), (1708, 45731), (1946, 40138), (2303, 33916), (2867, 27244), (2989, 26132), (3892, 20069), (4606, 16958), (5734, 13622), (5978, 13066), (6533, 11956), (6811, 11468), (8479, 9212)]