211380208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{2347}}^1$

素因数の和:2801

約数の個数: 40

約数和(自身を含む): 442259888

約数和(自身を除く): 230879680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 433, 866, 1732, 2347, 3464, 4694, 5629, 6928, 9388, 11258, 18776, 22516, 30511, 37552, 45032, 61022, 90064, 122044, 244088, 488176, 1016251, 2032502, 4065004, 8130008, 13211263, 16260016, 26422526, 52845052, 105690104, 211380208]

約数ペア:

[(1, 211380208), (2, 105690104), (4, 52845052), (8, 26422526), (13, 16260016), (16, 13211263), (26, 8130008), (52, 4065004), (104, 2032502), (208, 1016251), (433, 488176), (866, 244088), (1732, 122044), (2347, 90064), (3464, 61022), (4694, 45032), (5629, 37552), (6928, 30511), (9388, 22516), (11258, 18776)]