287797862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 521883648

約数和(自身を除く): 234085786

約数列:

[1, 2, 11, 17, 22, 31, 34, 62, 103, 187, 206, 241, 341, 374, 482, 527, 682, 1054, 1133, 1751, 2266, 2651, 3193, 3502, 4097, 5302, 5797, 6386, 7471, 8194, 11594, 14942, 19261, 24823, 35123, 38522, 45067, 49646, 54281, 70246, 82181, 90134, 108562, 127007, 164362, 254014, 273053, 421991, 546106, 597091, 769513, 843982, 1194182, 1397077, 1539026, 2794154, 4641901, 8464643, 9283802, 13081721, 16929286, 26163442, 143898931, 287797862]

約数ペア:

[(1, 287797862), (2, 143898931), (11, 26163442), (17, 16929286), (22, 13081721), (31, 9283802), (34, 8464643), (62, 4641901), (103, 2794154), (187, 1539026), (206, 1397077), (241, 1194182), (341, 843982), (374, 769513), (482, 597091), (527, 546106), (682, 421991), (1054, 273053), (1133, 254014), (1751, 164362), (2266, 127007), (2651, 108562), (3193, 90134), (3502, 82181), (4097, 70246), (5302, 54281), (5797, 49646), (6386, 45067), (7471, 38522), (8194, 35123), (11594, 24823), (14942, 19261)]