66972178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 126979776

約数和(自身を除く): 60007598

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 131, 182, 262, 371, 689, 742, 917, 1378, 1703, 1834, 2809, 3406, 4823, 5618, 6943, 9646, 11921, 13886, 19663, 23842, 36517, 39326, 48601, 73034, 90259, 97202, 180518, 255619, 367979, 511238, 631813, 735958, 1263626, 2575853, 4783727, 5151706, 9567454, 33486089, 66972178]

約数ペア:

[(1, 66972178), (2, 33486089), (7, 9567454), (13, 5151706), (14, 4783727), (26, 2575853), (53, 1263626), (91, 735958), (106, 631813), (131, 511238), (182, 367979), (262, 255619), (371, 180518), (689, 97202), (742, 90259), (917, 73034), (1378, 48601), (1703, 39326), (1834, 36517), (2809, 23842), (3406, 19663), (4823, 13886), (5618, 11921), (6943, 9646)]