1994482168

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 4578508800

約数和(自身を除く): 2584026632

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 89, 92, 127, 137, 161, 178, 184, 254, 274, 322, 356, 508, 548, 623, 644, 712, 889, 959, 1016, 1096, 1246, 1288, 1778, 1918, 2047, 2492, 2921, 3151, 3556, 3836, 4094, 4984, 5842, 6302, 7112, 7672, 8188, 11303, 11684, 12193, 12604, 14329, 16376, 17399, 20447, 22057, 22606, 23368, 24386, 25208, 28658, 34798, 40894, 44114, 45212, 48772, 57316, 69596, 79121, 81788, 85351, 88228, 90424, 97544, 114632, 121793, 139192, 158242, 163576, 170702, 176456, 243586, 259969, 280439, 316484, 341404, 400177, 487172, 519938, 560878, 632968, 682808, 800354, 974344, 1039876, 1121756, 1548511, 1600708, 1819783, 1963073, 2079752, 2243512, 2801239, 3097022, 3201416, 3639566, 3926146, 5602478, 6194044, 7279132, 7852292, 10839577, 11204956, 12388088, 14558264, 15704584, 21679154, 22409912, 35615753, 43358308, 71231506, 86716616, 142463012, 249310271, 284926024, 498620542, 997241084, 1994482168]

約数ペア:

[(1, 1994482168), (2, 997241084), (4, 498620542), (7, 284926024), (8, 249310271), (14, 142463012), (23, 86716616), (28, 71231506), (46, 43358308), (56, 35615753), (89, 22409912), (92, 21679154), (127, 15704584), (137, 14558264), (161, 12388088), (178, 11204956), (184, 10839577), (254, 7852292), (274, 7279132), (322, 6194044), (356, 5602478), (508, 3926146), (548, 3639566), (623, 3201416), (644, 3097022), (712, 2801239), (889, 2243512), (959, 2079752), (1016, 1963073), (1096, 1819783), (1246, 1600708), (1288, 1548511), (1778, 1121756), (1918, 1039876), (2047, 974344), (2492, 800354), (2921, 682808), (3151, 632968), (3556, 560878), (3836, 519938), (4094, 487172), (4984, 400177), (5842, 341404), (6302, 316484), (7112, 280439), (7672, 259969), (8188, 243586), (11303, 176456), (11684, 170702), (12193, 163576), (12604, 158242), (14329, 139192), (16376, 121793), (17399, 114632), (20447, 97544), (22057, 90424), (22606, 88228), (23368, 85351), (24386, 81788), (25208, 79121), (28658, 69596), (34798, 57316), (40894, 48772), (44114, 45212)]