1780428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 4558176

約数和(自身を除く): 2777748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 113, 156, 202, 226, 303, 339, 404, 452, 606, 678, 1212, 1313, 1356, 1469, 2626, 2938, 3939, 4407, 5252, 5876, 7878, 8814, 11413, 15756, 17628, 22826, 34239, 45652, 68478, 136956, 148369, 296738, 445107, 593476, 890214, 1780428]

約数ペア:

[(1, 1780428), (2, 890214), (3, 593476), (4, 445107), (6, 296738), (12, 148369), (13, 136956), (26, 68478), (39, 45652), (52, 34239), (78, 22826), (101, 17628), (113, 15756), (156, 11413), (202, 8814), (226, 7878), (303, 5876), (339, 5252), (404, 4407), (452, 3939), (606, 2938), (678, 2626), (1212, 1469), (1313, 1356)]