129623338

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 221356800

約数和(自身を除く): 91733462

約数列:

[1, 2, 13, 26, 31, 62, 89, 139, 169, 178, 278, 338, 403, 806, 1157, 1807, 2314, 2759, 3614, 4309, 5239, 5518, 8618, 10478, 12371, 15041, 23491, 24742, 30082, 35867, 46982, 56017, 71734, 112034, 160823, 321646, 383501, 466271, 728221, 767002, 932542, 1456442, 2090699, 4181398, 4985513, 9971026, 64811669, 129623338]

約数ペア:

[(1, 129623338), (2, 64811669), (13, 9971026), (26, 4985513), (31, 4181398), (62, 2090699), (89, 1456442), (139, 932542), (169, 767002), (178, 728221), (278, 466271), (338, 383501), (403, 321646), (806, 160823), (1157, 112034), (1807, 71734), (2314, 56017), (2759, 46982), (3614, 35867), (4309, 30082), (5239, 24742), (5518, 23491), (8618, 15041), (10478, 12371)]