161567478

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 356206032

約数和(自身を除く): 194638554

約数列:

[1, 2, 3, 6, 9, 18, 101, 181, 202, 303, 362, 491, 543, 606, 909, 982, 1086, 1473, 1629, 1818, 2946, 3258, 4419, 8838, 18281, 36562, 49591, 54843, 88871, 99182, 109686, 148773, 164529, 177742, 266613, 297546, 329058, 446319, 533226, 799839, 892638, 1599678, 8975971, 17951942, 26927913, 53855826, 80783739, 161567478]

約数ペア:

[(1, 161567478), (2, 80783739), (3, 53855826), (6, 26927913), (9, 17951942), (18, 8975971), (101, 1599678), (181, 892638), (202, 799839), (303, 533226), (362, 446319), (491, 329058), (543, 297546), (606, 266613), (909, 177742), (982, 164529), (1086, 148773), (1473, 109686), (1629, 99182), (1818, 88871), (2946, 54843), (3258, 49591), (4419, 36562), (8838, 18281)]