68717572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 154703808

約数和(自身を除く): 85986236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 101, 154, 188, 202, 308, 329, 404, 517, 658, 707, 1034, 1111, 1316, 1414, 2068, 2209, 2222, 2828, 3619, 4418, 4444, 4747, 7238, 7777, 8836, 9494, 14476, 15463, 15554, 18988, 24299, 30926, 31108, 33229, 48598, 52217, 61852, 66458, 97196, 104434, 132916, 170093, 208868, 223109, 340186, 365519, 446218, 680372, 731038, 892436, 1462076, 1561763, 2454199, 3123526, 4908398, 6247052, 9816796, 17179393, 34358786, 68717572]

約数ペア:

[(1, 68717572), (2, 34358786), (4, 17179393), (7, 9816796), (11, 6247052), (14, 4908398), (22, 3123526), (28, 2454199), (44, 1561763), (47, 1462076), (77, 892436), (94, 731038), (101, 680372), (154, 446218), (188, 365519), (202, 340186), (308, 223109), (329, 208868), (404, 170093), (517, 132916), (658, 104434), (707, 97196), (1034, 66458), (1111, 61852), (1316, 52217), (1414, 48598), (2068, 33229), (2209, 31108), (2222, 30926), (2828, 24299), (3619, 18988), (4418, 15554), (4444, 15463), (4747, 14476), (7238, 9494), (7777, 8836)]