389655370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{2269}}^1$

素因数の和:3610

約数の個数: 32

約数和(自身を含む): 756236880

約数和(自身を除く): 366581510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1321, 2269, 2642, 4538, 6605, 11345, 13210, 17173, 22690, 29497, 34346, 58994, 85865, 147485, 171730, 294970, 2997349, 5994698, 14986745, 29973490, 38965537, 77931074, 194827685, 389655370]

約数ペア:

[(1, 389655370), (2, 194827685), (5, 77931074), (10, 38965537), (13, 29973490), (26, 14986745), (65, 5994698), (130, 2997349), (1321, 294970), (2269, 171730), (2642, 147485), (4538, 85865), (6605, 58994), (11345, 34346), (13210, 29497), (17173, 22690)]