208668564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 618042880

約数和(自身を除く): 409374316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 76, 78, 93, 114, 117, 124, 156, 171, 186, 228, 234, 247, 279, 342, 372, 403, 468, 494, 558, 589, 684, 741, 757, 806, 988, 1116, 1178, 1209, 1482, 1514, 1612, 1767, 2223, 2271, 2356, 2418, 2964, 3028, 3534, 3627, 4446, 4542, 4836, 5301, 6813, 7068, 7254, 7657, 8892, 9084, 9841, 10602, 13626, 14383, 14508, 15314, 19682, 21204, 22971, 23467, 27252, 28766, 29523, 30628, 39364, 43149, 45942, 46934, 57532, 59046, 68913, 70401, 86298, 88569, 91884, 93868, 118092, 129447, 137826, 140802, 172596, 177138, 186979, 211203, 258894, 275652, 281604, 305071, 354276, 373958, 422406, 445873, 517788, 560937, 610142, 747916, 844812, 891746, 915213, 1121874, 1220284, 1337619, 1682811, 1783492, 1830426, 2243748, 2675238, 2745639, 3365622, 3660852, 4012857, 5350476, 5491278, 5796349, 6731244, 8025714, 10982556, 11592698, 16051428, 17389047, 23185396, 34778094, 52167141, 69556188, 104334282, 208668564]

約数ペア:

[(1, 208668564), (2, 104334282), (3, 69556188), (4, 52167141), (6, 34778094), (9, 23185396), (12, 17389047), (13, 16051428), (18, 11592698), (19, 10982556), (26, 8025714), (31, 6731244), (36, 5796349), (38, 5491278), (39, 5350476), (52, 4012857), (57, 3660852), (62, 3365622), (76, 2745639), (78, 2675238), (93, 2243748), (114, 1830426), (117, 1783492), (124, 1682811), (156, 1337619), (171, 1220284), (186, 1121874), (228, 915213), (234, 891746), (247, 844812), (279, 747916), (342, 610142), (372, 560937), (403, 517788), (468, 445873), (494, 422406), (558, 373958), (589, 354276), (684, 305071), (741, 281604), (757, 275652), (806, 258894), (988, 211203), (1116, 186979), (1178, 177138), (1209, 172596), (1482, 140802), (1514, 137826), (1612, 129447), (1767, 118092), (2223, 93868), (2271, 91884), (2356, 88569), (2418, 86298), (2964, 70401), (3028, 68913), (3534, 59046), (3627, 57532), (4446, 46934), (4542, 45942), (4836, 43149), (5301, 39364), (6813, 30628), (7068, 29523), (7254, 28766), (7657, 27252), (8892, 23467), (9084, 22971), (9841, 21204), (10602, 19682), (13626, 15314), (14383, 14508)]