31151484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 99922368

約数和(自身を除く): 68770884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 37, 39, 42, 52, 63, 74, 78, 84, 91, 111, 117, 126, 148, 156, 182, 222, 234, 252, 257, 259, 273, 333, 364, 444, 468, 481, 514, 518, 546, 666, 771, 777, 819, 962, 1028, 1036, 1092, 1332, 1443, 1542, 1554, 1638, 1799, 1924, 2313, 2331, 2886, 3084, 3108, 3276, 3341, 3367, 3598, 4329, 4626, 4662, 5397, 5772, 6682, 6734, 7196, 8658, 9252, 9324, 9509, 10023, 10101, 10794, 13364, 13468, 16191, 17316, 19018, 20046, 20202, 21588, 23387, 28527, 30069, 30303, 32382, 38036, 40092, 40404, 46774, 57054, 60138, 60606, 64764, 66563, 70161, 85581, 93548, 114108, 120276, 121212, 123617, 133126, 140322, 171162, 199689, 210483, 247234, 266252, 280644, 342324, 370851, 399378, 420966, 494468, 599067, 741702, 798756, 841932, 865319, 1112553, 1198134, 1483404, 1730638, 2225106, 2396268, 2595957, 3461276, 4450212, 5191914, 7787871, 10383828, 15575742, 31151484]

約数ペア:

[(1, 31151484), (2, 15575742), (3, 10383828), (4, 7787871), (6, 5191914), (7, 4450212), (9, 3461276), (12, 2595957), (13, 2396268), (14, 2225106), (18, 1730638), (21, 1483404), (26, 1198134), (28, 1112553), (36, 865319), (37, 841932), (39, 798756), (42, 741702), (52, 599067), (63, 494468), (74, 420966), (78, 399378), (84, 370851), (91, 342324), (111, 280644), (117, 266252), (126, 247234), (148, 210483), (156, 199689), (182, 171162), (222, 140322), (234, 133126), (252, 123617), (257, 121212), (259, 120276), (273, 114108), (333, 93548), (364, 85581), (444, 70161), (468, 66563), (481, 64764), (514, 60606), (518, 60138), (546, 57054), (666, 46774), (771, 40404), (777, 40092), (819, 38036), (962, 32382), (1028, 30303), (1036, 30069), (1092, 28527), (1332, 23387), (1443, 21588), (1542, 20202), (1554, 20046), (1638, 19018), (1799, 17316), (1924, 16191), (2313, 13468), (2331, 13364), (2886, 10794), (3084, 10101), (3108, 10023), (3276, 9509), (3341, 9324), (3367, 9252), (3598, 8658), (4329, 7196), (4626, 6734), (4662, 6682), (5397, 5772)]