28400970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72823}}^1$

素因数の和:72846

約数の個数: 32

約数和(自身を含む): 73406592

約数和(自身を除く): 45005622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72823, 145646, 218469, 364115, 436938, 728230, 946699, 1092345, 1893398, 2184690, 2840097, 4733495, 5680194, 9466990, 14200485, 28400970]

約数ペア:

[(1, 28400970), (2, 14200485), (3, 9466990), (5, 5680194), (6, 4733495), (10, 2840097), (13, 2184690), (15, 1893398), (26, 1092345), (30, 946699), (39, 728230), (65, 436938), (78, 364115), (130, 218469), (195, 145646), (390, 72823)]