257461236

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{117241}}^1$

素因数の和:117312

約数の個数: 36

約数和(自身を含む): 661479364

約数和(自身を除く): 404018128

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 117241, 234482, 351723, 468964, 703446, 1055169, 1406892, 2110338, 4220676, 7151701, 14303402, 21455103, 28606804, 42910206, 64365309, 85820412, 128730618, 257461236]

約数ペア:

[(1, 257461236), (2, 128730618), (3, 85820412), (4, 64365309), (6, 42910206), (9, 28606804), (12, 21455103), (18, 14303402), (36, 7151701), (61, 4220676), (122, 2110338), (183, 1406892), (244, 1055169), (366, 703446), (549, 468964), (732, 351723), (1098, 234482), (2196, 117241)]