81891432

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1384

約数の個数: 128

約数和(自身を含む): 266515200

約数和(自身を除く): 184623768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 41, 42, 54, 56, 63, 72, 82, 84, 108, 123, 126, 164, 168, 189, 216, 246, 252, 287, 328, 369, 378, 492, 504, 574, 738, 756, 861, 984, 1107, 1148, 1321, 1476, 1512, 1722, 2214, 2296, 2583, 2642, 2952, 3444, 3963, 4428, 5166, 5284, 6888, 7749, 7926, 8856, 9247, 10332, 10568, 11889, 15498, 15852, 18494, 20664, 23778, 27741, 30996, 31704, 35667, 36988, 47556, 54161, 55482, 61992, 71334, 73976, 83223, 95112, 108322, 110964, 142668, 162483, 166446, 216644, 221928, 249669, 285336, 324966, 332892, 379127, 433288, 487449, 499338, 649932, 665784, 758254, 974898, 998676, 1137381, 1299864, 1462347, 1516508, 1949796, 1997352, 2274762, 2924694, 3033016, 3412143, 3899592, 4549524, 5849388, 6824286, 9099048, 10236429, 11698776, 13648572, 20472858, 27297144, 40945716, 81891432]

約数ペア:

[(1, 81891432), (2, 40945716), (3, 27297144), (4, 20472858), (6, 13648572), (7, 11698776), (8, 10236429), (9, 9099048), (12, 6824286), (14, 5849388), (18, 4549524), (21, 3899592), (24, 3412143), (27, 3033016), (28, 2924694), (36, 2274762), (41, 1997352), (42, 1949796), (54, 1516508), (56, 1462347), (63, 1299864), (72, 1137381), (82, 998676), (84, 974898), (108, 758254), (123, 665784), (126, 649932), (164, 499338), (168, 487449), (189, 433288), (216, 379127), (246, 332892), (252, 324966), (287, 285336), (328, 249669), (369, 221928), (378, 216644), (492, 166446), (504, 162483), (574, 142668), (738, 110964), (756, 108322), (861, 95112), (984, 83223), (1107, 73976), (1148, 71334), (1321, 61992), (1476, 55482), (1512, 54161), (1722, 47556), (2214, 36988), (2296, 35667), (2583, 31704), (2642, 30996), (2952, 27741), (3444, 23778), (3963, 20664), (4428, 18494), (5166, 15852), (5284, 15498), (6888, 11889), (7749, 10568), (7926, 10332), (8856, 9247)]