28897722

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1537

約数の個数: 80

約数和(自身を含む): 78408000

約数和(自身を除く): 49510278

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 306, 357, 378, 459, 567, 714, 918, 1071, 1134, 1377, 1499, 2142, 2754, 2998, 3213, 4497, 6426, 8994, 9639, 10493, 13491, 19278, 20986, 25483, 26982, 31479, 40473, 50966, 62958, 76449, 80946, 94437, 121419, 152898, 178381, 188874, 229347, 242838, 283311, 356762, 458694, 535143, 566622, 688041, 849933, 1070286, 1376082, 1605429, 1699866, 2064123, 3210858, 4128246, 4816287, 9632574, 14448861, 28897722]

約数ペア:

[(1, 28897722), (2, 14448861), (3, 9632574), (6, 4816287), (7, 4128246), (9, 3210858), (14, 2064123), (17, 1699866), (18, 1605429), (21, 1376082), (27, 1070286), (34, 849933), (42, 688041), (51, 566622), (54, 535143), (63, 458694), (81, 356762), (102, 283311), (119, 242838), (126, 229347), (153, 188874), (162, 178381), (189, 152898), (238, 121419), (306, 94437), (357, 80946), (378, 76449), (459, 62958), (567, 50966), (714, 40473), (918, 31479), (1071, 26982), (1134, 25483), (1377, 20986), (1499, 19278), (2142, 13491), (2754, 10493), (2998, 9639), (3213, 8994), (4497, 6426)]