7865286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 18869760

約数和(自身を除く): 11004474

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 89, 103, 143, 178, 206, 267, 286, 309, 429, 534, 618, 858, 979, 1133, 1157, 1339, 1958, 2266, 2314, 2678, 2937, 3399, 3471, 4017, 5874, 6798, 6942, 8034, 9167, 12727, 14729, 18334, 25454, 27501, 29458, 38181, 44187, 55002, 76362, 88374, 100837, 119171, 201674, 238342, 302511, 357513, 605022, 715026, 1310881, 2621762, 3932643, 7865286]

約数ペア:

[(1, 7865286), (2, 3932643), (3, 2621762), (6, 1310881), (11, 715026), (13, 605022), (22, 357513), (26, 302511), (33, 238342), (39, 201674), (66, 119171), (78, 100837), (89, 88374), (103, 76362), (143, 55002), (178, 44187), (206, 38181), (267, 29458), (286, 27501), (309, 25454), (429, 18334), (534, 14729), (618, 12727), (858, 9167), (979, 8034), (1133, 6942), (1157, 6798), (1339, 5874), (1958, 4017), (2266, 3471), (2314, 3399), (2678, 2937)]