81928372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 156280320

約数和(自身を除く): 74351948

約数列:

[1, 2, 4, 17, 34, 68, 79, 101, 151, 158, 202, 302, 316, 404, 604, 1343, 1717, 2567, 2686, 3434, 5134, 5372, 6868, 7979, 10268, 11929, 15251, 15958, 23858, 30502, 31916, 47716, 61004, 135643, 202793, 259267, 271286, 405586, 518534, 542572, 811172, 1037068, 1204829, 2409658, 4819316, 20482093, 40964186, 81928372]

約数ペア:

[(1, 81928372), (2, 40964186), (4, 20482093), (17, 4819316), (34, 2409658), (68, 1204829), (79, 1037068), (101, 811172), (151, 542572), (158, 518534), (202, 405586), (302, 271286), (316, 259267), (404, 202793), (604, 135643), (1343, 61004), (1717, 47716), (2567, 31916), (2686, 30502), (3434, 23858), (5134, 15958), (5372, 15251), (6868, 11929), (7979, 10268)]