13261356

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{4139}}^1$

素因数の和:4238

約数の個数: 36

約数和(自身を含む): 33906600

約数和(自身を除く): 20645244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 4139, 8278, 12417, 16556, 24834, 37251, 49668, 74502, 149004, 368371, 736742, 1105113, 1473484, 2210226, 3315339, 4420452, 6630678, 13261356]

約数ペア:

[(1, 13261356), (2, 6630678), (3, 4420452), (4, 3315339), (6, 2210226), (9, 1473484), (12, 1105113), (18, 736742), (36, 368371), (89, 149004), (178, 74502), (267, 49668), (356, 37251), (534, 24834), (801, 16556), (1068, 12417), (1602, 8278), (3204, 4139)]