78459876

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 217526400

約数和(自身を除く): 139066524

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 239, 396, 478, 717, 829, 956, 1434, 1658, 2151, 2487, 2629, 2868, 3316, 4302, 4974, 5258, 7461, 7887, 8604, 9119, 9948, 10516, 14922, 15774, 18238, 23661, 27357, 29844, 31548, 36476, 47322, 54714, 82071, 94644, 109428, 164142, 198131, 328284, 396262, 594393, 792524, 1188786, 1783179, 2179441, 2377572, 3566358, 4358882, 6538323, 7132716, 8717764, 13076646, 19614969, 26153292, 39229938, 78459876]

約数ペア:

[(1, 78459876), (2, 39229938), (3, 26153292), (4, 19614969), (6, 13076646), (9, 8717764), (11, 7132716), (12, 6538323), (18, 4358882), (22, 3566358), (33, 2377572), (36, 2179441), (44, 1783179), (66, 1188786), (99, 792524), (132, 594393), (198, 396262), (239, 328284), (396, 198131), (478, 164142), (717, 109428), (829, 94644), (956, 82071), (1434, 54714), (1658, 47322), (2151, 36476), (2487, 31548), (2629, 29844), (2868, 27357), (3316, 23661), (4302, 18238), (4974, 15774), (5258, 14922), (7461, 10516), (7887, 9948), (8604, 9119)]