2781580656

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{355519}}^1$

素因数の和:355693

約数の個数: 40

約数和(自身を含む): 7229854720

約数和(自身を除く): 4448274064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 7824, 355519, 711038, 1066557, 1422076, 2133114, 2844152, 4266228, 5688304, 8532456, 17064912, 57949597, 115899194, 173848791, 231798388, 347697582, 463596776, 695395164, 927193552, 1390790328, 2781580656]

約数ペア:

[(1, 2781580656), (2, 1390790328), (3, 927193552), (4, 695395164), (6, 463596776), (8, 347697582), (12, 231798388), (16, 173848791), (24, 115899194), (48, 57949597), (163, 17064912), (326, 8532456), (489, 5688304), (652, 4266228), (978, 2844152), (1304, 2133114), (1956, 1422076), (2608, 1066557), (3912, 711038), (7824, 355519)]