28920190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{827}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 56337120

約数和(自身を除く): 27416930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 827, 1345, 1654, 2690, 3497, 4135, 6994, 8270, 10751, 17485, 21502, 34970, 53755, 107510, 222463, 444926, 1112315, 2224630, 2892019, 5784038, 14460095, 28920190]

約数ペア:

[(1, 28920190), (2, 14460095), (5, 5784038), (10, 2892019), (13, 2224630), (26, 1112315), (65, 444926), (130, 222463), (269, 107510), (538, 53755), (827, 34970), (1345, 21502), (1654, 17485), (2690, 10751), (3497, 8270), (4135, 6994)]