28781648

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11173}}^1$

素因数の和:11211

約数の個数: 40

約数和(自身を含む): 66507648

約数和(自身を除く): 37726000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 11173, 22346, 44692, 78211, 89384, 156422, 178768, 256979, 312844, 513958, 625688, 1027916, 1251376, 1798853, 2055832, 3597706, 4111664, 7195412, 14390824, 28781648]

約数ペア:

[(1, 28781648), (2, 14390824), (4, 7195412), (7, 4111664), (8, 3597706), (14, 2055832), (16, 1798853), (23, 1251376), (28, 1027916), (46, 625688), (56, 513958), (92, 312844), (112, 256979), (161, 178768), (184, 156422), (322, 89384), (368, 78211), (644, 44692), (1288, 22346), (2576, 11173)]