209941279

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 243855360

約数和(自身を除く): 33914081

約数列:

[1, 17, 19, 41, 83, 191, 323, 697, 779, 1411, 1577, 3247, 3403, 3629, 7831, 13243, 15853, 26809, 57851, 61693, 64657, 133127, 148789, 269501, 301207, 649973, 1099169, 2529413, 5120519, 11049541, 12349487, 209941279]

約数ペア:

[(1, 209941279), (17, 12349487), (19, 11049541), (41, 5120519), (83, 2529413), (191, 1099169), (323, 649973), (697, 301207), (779, 269501), (1411, 148789), (1577, 133127), (3247, 64657), (3403, 61693), (3629, 57851), (7831, 26809), (13243, 15853)]