64990276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 128701440

約数和(自身を除く): 63711164

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 71, 116, 142, 284, 377, 607, 754, 923, 1214, 1508, 1846, 2059, 2428, 3692, 4118, 7891, 8236, 15782, 17603, 26767, 31564, 35206, 43097, 53534, 70412, 86194, 107068, 172388, 228839, 457678, 560261, 915356, 1120522, 1249813, 2241044, 2499626, 4999252, 16247569, 32495138, 64990276]

約数ペア:

[(1, 64990276), (2, 32495138), (4, 16247569), (13, 4999252), (26, 2499626), (29, 2241044), (52, 1249813), (58, 1120522), (71, 915356), (116, 560261), (142, 457678), (284, 228839), (377, 172388), (607, 107068), (754, 86194), (923, 70412), (1214, 53534), (1508, 43097), (1846, 35206), (2059, 31564), (2428, 26767), (3692, 17603), (4118, 15782), (7891, 8236)]