28903672

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 66467520

約数和(自身を除く): 37563848

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 97, 119, 136, 194, 238, 313, 388, 476, 626, 679, 776, 952, 1252, 1358, 1649, 2191, 2504, 2716, 3298, 4382, 5321, 5432, 6596, 8764, 10642, 11543, 13192, 17528, 21284, 23086, 30361, 37247, 42568, 46172, 60722, 74494, 92344, 121444, 148988, 212527, 242888, 297976, 425054, 516137, 850108, 1032274, 1700216, 2064548, 3612959, 4129096, 7225918, 14451836, 28903672]

約数ペア:

[(1, 28903672), (2, 14451836), (4, 7225918), (7, 4129096), (8, 3612959), (14, 2064548), (17, 1700216), (28, 1032274), (34, 850108), (56, 516137), (68, 425054), (97, 297976), (119, 242888), (136, 212527), (194, 148988), (238, 121444), (313, 92344), (388, 74494), (476, 60722), (626, 46172), (679, 42568), (776, 37247), (952, 30361), (1252, 23086), (1358, 21284), (1649, 17528), (2191, 13192), (2504, 11543), (2716, 10642), (3298, 8764), (4382, 6596), (5321, 5432)]