15722384

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 31482360

約数和(自身を除く): 15759976

約数列:

[1, 2, 4, 8, 16, 61, 89, 122, 178, 181, 244, 356, 362, 488, 712, 724, 976, 1424, 1448, 2896, 5429, 10858, 11041, 16109, 21716, 22082, 32218, 43432, 44164, 64436, 86864, 88328, 128872, 176656, 257744, 982649, 1965298, 3930596, 7861192, 15722384]

約数ペア:

[(1, 15722384), (2, 7861192), (4, 3930596), (8, 1965298), (16, 982649), (61, 257744), (89, 176656), (122, 128872), (178, 88328), (181, 86864), (244, 64436), (356, 44164), (362, 43432), (488, 32218), (712, 22082), (724, 21716), (976, 16109), (1424, 11041), (1448, 10858), (2896, 5429)]