6438965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 8951040

約数和(自身を除く): 2512075

約数列:

[1, 5, 13, 23, 59, 65, 73, 115, 295, 299, 365, 767, 949, 1357, 1495, 1679, 3835, 4307, 4745, 6785, 8395, 17641, 21535, 21827, 55991, 88205, 99061, 109135, 279955, 495305, 1287793, 6438965]

約数ペア:

[(1, 6438965), (5, 1287793), (13, 495305), (23, 279955), (59, 109135), (65, 99061), (73, 88205), (115, 55991), (295, 21827), (299, 21535), (365, 17641), (767, 8395), (949, 6785), (1357, 4745), (1495, 4307), (1679, 3835)]