258925970

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 474925248

約数和(自身を除く): 215999278

約数列:

[1, 2, 5, 10, 83, 157, 166, 314, 415, 785, 830, 1570, 1987, 3974, 9935, 13031, 19870, 26062, 65155, 130310, 164921, 311959, 329842, 623918, 824605, 1559795, 1649210, 3119590, 25892597, 51785194, 129462985, 258925970]

約数ペア:

[(1, 258925970), (2, 129462985), (5, 51785194), (10, 25892597), (83, 3119590), (157, 1649210), (166, 1559795), (314, 824605), (415, 623918), (785, 329842), (830, 311959), (1570, 164921), (1987, 130310), (3974, 65155), (9935, 26062), (13031, 19870)]