2503998

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 6722352

約数和(自身を除く): 4218354

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 167, 238, 294, 306, 334, 357, 441, 501, 714, 833, 882, 1002, 1071, 1169, 1503, 1666, 2142, 2338, 2499, 2839, 3006, 3507, 4998, 5678, 7014, 7497, 8183, 8517, 10521, 14994, 16366, 17034, 19873, 21042, 24549, 25551, 39746, 49098, 51102, 59619, 73647, 119238, 139111, 147294, 178857, 278222, 357714, 417333, 834666, 1251999, 2503998]

約数ペア:

[(1, 2503998), (2, 1251999), (3, 834666), (6, 417333), (7, 357714), (9, 278222), (14, 178857), (17, 147294), (18, 139111), (21, 119238), (34, 73647), (42, 59619), (49, 51102), (51, 49098), (63, 39746), (98, 25551), (102, 24549), (119, 21042), (126, 19873), (147, 17034), (153, 16366), (167, 14994), (238, 10521), (294, 8517), (306, 8183), (334, 7497), (357, 7014), (441, 5678), (501, 4998), (714, 3507), (833, 3006), (882, 2839), (1002, 2499), (1071, 2338), (1169, 2142), (1503, 1666)]