30990196

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 55683936

約数和(自身を除く): 24693740

約数列:

[1, 2, 4, 61, 107, 122, 214, 244, 428, 1187, 2374, 4748, 6527, 13054, 26108, 72407, 127009, 144814, 254018, 289628, 508036, 7747549, 15495098, 30990196]

約数ペア:

[(1, 30990196), (2, 15495098), (4, 7747549), (61, 508036), (107, 289628), (122, 254018), (214, 144814), (244, 127009), (428, 72407), (1187, 26108), (2374, 13054), (4748, 6527)]