259269231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 410009600

約数和(自身を除く): 150740369

約数列:

[1, 3, 13, 19, 39, 43, 57, 79, 103, 129, 237, 247, 309, 559, 741, 817, 1027, 1339, 1501, 1677, 1957, 2451, 3081, 3397, 4017, 4429, 4503, 5871, 8137, 10191, 10621, 13287, 19513, 24411, 25441, 31863, 44161, 57577, 58539, 64543, 76323, 84151, 105781, 132483, 154603, 172731, 193629, 252453, 317343, 349891, 463809, 839059, 1049673, 1093963, 2009839, 2517177, 3281889, 4548583, 6029517, 6647929, 13645749, 19943787, 86423077, 259269231]

約数ペア:

[(1, 259269231), (3, 86423077), (13, 19943787), (19, 13645749), (39, 6647929), (43, 6029517), (57, 4548583), (79, 3281889), (103, 2517177), (129, 2009839), (237, 1093963), (247, 1049673), (309, 839059), (559, 463809), (741, 349891), (817, 317343), (1027, 252453), (1339, 193629), (1501, 172731), (1677, 154603), (1957, 132483), (2451, 105781), (3081, 84151), (3397, 76323), (4017, 64543), (4429, 58539), (4503, 57577), (5871, 44161), (8137, 31863), (10191, 25441), (10621, 24411), (13287, 19513)]