247989368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2196

約数の個数: 64

約数和(自身を含む): 541728000

約数和(自身を除く): 293738632

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 71, 76, 88, 142, 152, 209, 284, 418, 568, 781, 836, 1349, 1562, 1672, 2089, 2698, 3124, 4178, 5396, 6248, 8356, 10792, 14839, 16712, 22979, 29678, 39691, 45958, 59356, 79382, 91916, 118712, 148319, 158764, 183832, 296638, 317528, 436601, 593276, 873202, 1186552, 1631509, 1746404, 2818061, 3263018, 3492808, 5636122, 6526036, 11272244, 13052072, 22544488, 30998671, 61997342, 123994684, 247989368]

約数ペア:

[(1, 247989368), (2, 123994684), (4, 61997342), (8, 30998671), (11, 22544488), (19, 13052072), (22, 11272244), (38, 6526036), (44, 5636122), (71, 3492808), (76, 3263018), (88, 2818061), (142, 1746404), (152, 1631509), (209, 1186552), (284, 873202), (418, 593276), (568, 436601), (781, 317528), (836, 296638), (1349, 183832), (1562, 158764), (1672, 148319), (2089, 118712), (2698, 91916), (3124, 79382), (4178, 59356), (5396, 45958), (6248, 39691), (8356, 29678), (10792, 22979), (14839, 16712)]