2778428

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 5051760

約数和(自身を除く): 2273332

約数列:

[1, 2, 4, 59, 61, 118, 122, 193, 236, 244, 386, 772, 3599, 7198, 11387, 11773, 14396, 22774, 23546, 45548, 47092, 694607, 1389214, 2778428]

約数ペア:

[(1, 2778428), (2, 1389214), (4, 694607), (59, 47092), (61, 45548), (118, 23546), (122, 22774), (193, 14396), (236, 11773), (244, 11387), (386, 7198), (772, 3599)]