13023955

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 19945440

約数和(自身を除く): 6921485

約数列:

[1, 5, 7, 17, 35, 49, 53, 59, 85, 119, 245, 265, 295, 371, 413, 595, 833, 901, 1003, 1855, 2065, 2597, 2891, 3127, 4165, 4505, 5015, 6307, 7021, 12985, 14455, 15635, 21889, 31535, 35105, 44149, 49147, 53159, 109445, 153223, 220745, 245735, 265795, 372113, 766115, 1860565, 2604791, 13023955]

約数ペア:

[(1, 13023955), (5, 2604791), (7, 1860565), (17, 766115), (35, 372113), (49, 265795), (53, 245735), (59, 220745), (85, 153223), (119, 109445), (245, 53159), (265, 49147), (295, 44149), (371, 35105), (413, 31535), (595, 21889), (833, 15635), (901, 14455), (1003, 12985), (1855, 7021), (2065, 6307), (2597, 5015), (2891, 4505), (3127, 4165)]