66401968

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 131675600

約数和(自身を除く): 65273632

約数列:

[1, 2, 4, 8, 16, 73, 139, 146, 278, 292, 409, 556, 584, 818, 1112, 1168, 1636, 2224, 3272, 6544, 10147, 20294, 29857, 40588, 56851, 59714, 81176, 113702, 119428, 162352, 227404, 238856, 454808, 477712, 909616, 4150123, 8300246, 16600492, 33200984, 66401968]

約数ペア:

[(1, 66401968), (2, 33200984), (4, 16600492), (8, 8300246), (16, 4150123), (73, 909616), (139, 477712), (146, 454808), (278, 238856), (292, 227404), (409, 162352), (556, 119428), (584, 113702), (818, 81176), (1112, 59714), (1168, 56851), (1636, 40588), (2224, 29857), (3272, 20294), (6544, 10147)]