28209144

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 73146240

約数和(自身を除く): 44937096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 67, 106, 134, 159, 201, 212, 268, 318, 331, 402, 424, 536, 636, 662, 804, 993, 1272, 1324, 1608, 1986, 2648, 3551, 3972, 7102, 7944, 10653, 14204, 17543, 21306, 22177, 28408, 35086, 42612, 44354, 52629, 66531, 70172, 85224, 88708, 105258, 133062, 140344, 177416, 210516, 266124, 421032, 532248, 1175381, 2350762, 3526143, 4701524, 7052286, 9403048, 14104572, 28209144]

約数ペア:

[(1, 28209144), (2, 14104572), (3, 9403048), (4, 7052286), (6, 4701524), (8, 3526143), (12, 2350762), (24, 1175381), (53, 532248), (67, 421032), (106, 266124), (134, 210516), (159, 177416), (201, 140344), (212, 133062), (268, 105258), (318, 88708), (331, 85224), (402, 70172), (424, 66531), (536, 52629), (636, 44354), (662, 42612), (804, 35086), (993, 28408), (1272, 22177), (1324, 21306), (1608, 17543), (1986, 14204), (2648, 10653), (3551, 7944), (3972, 7102)]