128571004905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3631}}^1\times {\mathrm{17749}}^1$

素因数の和:21414

約数の個数: 64

約数和(自身を含む): 247557120000

約数和(自身を除く): 118986115095

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 3631, 10893, 17749, 18155, 25417, 53247, 54465, 68989, 76251, 88745, 124243, 127085, 206967, 266235, 337231, 344945, 372729, 381255, 482923, 621215, 1011693, 1034835, 1448769, 1686155, 1863645, 2360617, 2414615, 5058465, 7081851, 7243845, 11803085, 35409255, 64446619, 193339857, 322233095, 451126333, 966699285, 1224485761, 1353378999, 2255631665, 3673457283, 6122428805, 6766894995, 8571400327, 18367286415, 25714200981, 42857001635, 128571004905]

約数ペア:

[(1, 128571004905), (3, 42857001635), (5, 25714200981), (7, 18367286415), (15, 8571400327), (19, 6766894995), (21, 6122428805), (35, 3673457283), (57, 2255631665), (95, 1353378999), (105, 1224485761), (133, 966699285), (285, 451126333), (399, 322233095), (665, 193339857), (1995, 64446619), (3631, 35409255), (10893, 11803085), (17749, 7243845), (18155, 7081851), (25417, 5058465), (53247, 2414615), (54465, 2360617), (68989, 1863645), (76251, 1686155), (88745, 1448769), (124243, 1034835), (127085, 1011693), (206967, 621215), (266235, 482923), (337231, 381255), (344945, 372729)]