1664650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 36

約数和(自身を含む): 3369762

約数和(自身を除く): 1705112

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 197, 325, 338, 394, 650, 845, 985, 1690, 1970, 2561, 4225, 4925, 5122, 8450, 9850, 12805, 25610, 33293, 64025, 66586, 128050, 166465, 332930, 832325, 1664650]

約数ペア:

[(1, 1664650), (2, 832325), (5, 332930), (10, 166465), (13, 128050), (25, 66586), (26, 64025), (50, 33293), (65, 25610), (130, 12805), (169, 9850), (197, 8450), (325, 5122), (338, 4925), (394, 4225), (650, 2561), (845, 1970), (985, 1690)]