1971216

素因数分解:

$2^4\times 3^6\times {\mathrm{13}}^2$

素因数の和:52

約数の個数: 105

約数和(自身を含む): 6200589

約数和(自身を除く): 4229373

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 169, 208, 216, 234, 243, 312, 324, 338, 351, 432, 468, 486, 507, 624, 648, 676, 702, 729, 936, 972, 1014, 1053, 1296, 1352, 1404, 1458, 1521, 1872, 1944, 2028, 2106, 2704, 2808, 2916, 3042, 3159, 3888, 4056, 4212, 4563, 5616, 5832, 6084, 6318, 8112, 8424, 9126, 9477, 11664, 12168, 12636, 13689, 16848, 18252, 18954, 24336, 25272, 27378, 36504, 37908, 41067, 50544, 54756, 73008, 75816, 82134, 109512, 123201, 151632, 164268, 219024, 246402, 328536, 492804, 657072, 985608, 1971216]

約数ペア:

[(1, 1971216), (2, 985608), (3, 657072), (4, 492804), (6, 328536), (8, 246402), (9, 219024), (12, 164268), (13, 151632), (16, 123201), (18, 109512), (24, 82134), (26, 75816), (27, 73008), (36, 54756), (39, 50544), (48, 41067), (52, 37908), (54, 36504), (72, 27378), (78, 25272), (81, 24336), (104, 18954), (108, 18252), (117, 16848), (144, 13689), (156, 12636), (162, 12168), (169, 11664), (208, 9477), (216, 9126), (234, 8424), (243, 8112), (312, 6318), (324, 6084), (338, 5832), (351, 5616), (432, 4563), (468, 4212), (486, 4056), (507, 3888), (624, 3159), (648, 3042), (676, 2916), (702, 2808), (729, 2704), (936, 2106), (972, 2028), (1014, 1944), (1053, 1872), (1296, 1521), (1352, 1458)]