201981816

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 583680000

約数和(自身を除く): 381698184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 127, 148, 199, 216, 222, 254, 296, 333, 381, 398, 444, 508, 597, 666, 762, 796, 888, 999, 1016, 1143, 1194, 1332, 1524, 1592, 1791, 1998, 2286, 2388, 2664, 3048, 3429, 3582, 3996, 4572, 4699, 4776, 5373, 6858, 7164, 7363, 7992, 9144, 9398, 10746, 13716, 14097, 14328, 14726, 18796, 21492, 22089, 25273, 27432, 28194, 29452, 37592, 42291, 42984, 44178, 50546, 56388, 58904, 66267, 75819, 84582, 88356, 101092, 112776, 126873, 132534, 151638, 169164, 176712, 198801, 202184, 227457, 253746, 265068, 303276, 338328, 397602, 454914, 507492, 530136, 606552, 682371, 795204, 909828, 935101, 1014984, 1364742, 1590408, 1819656, 1870202, 2729484, 2805303, 3740404, 5458968, 5610606, 7480808, 8415909, 11221212, 16831818, 22442424, 25247727, 33663636, 50495454, 67327272, 100990908, 201981816]

約数ペア:

[(1, 201981816), (2, 100990908), (3, 67327272), (4, 50495454), (6, 33663636), (8, 25247727), (9, 22442424), (12, 16831818), (18, 11221212), (24, 8415909), (27, 7480808), (36, 5610606), (37, 5458968), (54, 3740404), (72, 2805303), (74, 2729484), (108, 1870202), (111, 1819656), (127, 1590408), (148, 1364742), (199, 1014984), (216, 935101), (222, 909828), (254, 795204), (296, 682371), (333, 606552), (381, 530136), (398, 507492), (444, 454914), (508, 397602), (597, 338328), (666, 303276), (762, 265068), (796, 253746), (888, 227457), (999, 202184), (1016, 198801), (1143, 176712), (1194, 169164), (1332, 151638), (1524, 132534), (1592, 126873), (1791, 112776), (1998, 101092), (2286, 88356), (2388, 84582), (2664, 75819), (3048, 66267), (3429, 58904), (3582, 56388), (3996, 50546), (4572, 44178), (4699, 42984), (4776, 42291), (5373, 37592), (6858, 29452), (7164, 28194), (7363, 27432), (7992, 25273), (9144, 22089), (9398, 21492), (10746, 18796), (13716, 14726), (14097, 14328)]