78418535

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 110994624

約数和(自身を除く): 32576089

約数列:

[1, 5, 13, 17, 53, 65, 85, 103, 169, 221, 265, 515, 689, 845, 901, 1105, 1339, 1751, 2873, 3445, 4505, 5459, 6695, 8755, 8957, 11713, 14365, 17407, 22763, 27295, 44785, 58565, 70967, 87035, 92803, 113815, 152269, 295919, 354835, 464015, 761345, 922571, 1206439, 1479595, 4612855, 6032195, 15683707, 78418535]

約数ペア:

[(1, 78418535), (5, 15683707), (13, 6032195), (17, 4612855), (53, 1479595), (65, 1206439), (85, 922571), (103, 761345), (169, 464015), (221, 354835), (265, 295919), (515, 152269), (689, 113815), (845, 92803), (901, 87035), (1105, 70967), (1339, 58565), (1751, 44785), (2873, 27295), (3445, 22763), (4505, 17407), (5459, 14365), (6695, 11713), (8755, 8957)]