28508270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17707}}^1$

素因数の和:17744

約数の個数: 32

約数和(自身を含む): 61198848

約数和(自身を除く): 32690578

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 17707, 35414, 88535, 123949, 177070, 247898, 407261, 619745, 814522, 1239490, 2036305, 2850827, 4072610, 5701654, 14254135, 28508270]

約数ペア:

[(1, 28508270), (2, 14254135), (5, 5701654), (7, 4072610), (10, 2850827), (14, 2036305), (23, 1239490), (35, 814522), (46, 619745), (70, 407261), (115, 247898), (161, 177070), (230, 123949), (322, 88535), (805, 35414), (1610, 17707)]