1213805

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 16

約数和(自身を含む): 1548288

約数和(自身を除く): 334483

約数列:

[1, 5, 31, 41, 155, 191, 205, 955, 1271, 5921, 6355, 7831, 29605, 39155, 242761, 1213805]

約数ペア:

[(1, 1213805), (5, 242761), (31, 39155), (41, 29605), (155, 7831), (191, 6355), (205, 5921), (955, 1271)]