13048945

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 20856528

約数和(自身を除く): 7807583

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 241, 245, 455, 595, 637, 833, 1105, 1205, 1547, 1687, 3133, 3185, 4097, 4165, 7735, 8435, 10829, 11809, 15665, 20485, 21931, 28679, 53261, 54145, 59045, 109655, 143395, 153517, 200753, 266305, 372827, 767585, 1003765, 1864135, 2609789, 13048945]

約数ペア:

[(1, 13048945), (5, 2609789), (7, 1864135), (13, 1003765), (17, 767585), (35, 372827), (49, 266305), (65, 200753), (85, 153517), (91, 143395), (119, 109655), (221, 59045), (241, 54145), (245, 53261), (455, 28679), (595, 21931), (637, 20485), (833, 15665), (1105, 11809), (1205, 10829), (1547, 8435), (1687, 7735), (3133, 4165), (3185, 4097)]