81131568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{241463}}^1$

素因数の和:241481

約数の個数: 40

約数和(自身を含む): 239532288

約数和(自身を除く): 158400720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 241463, 482926, 724389, 965852, 1448778, 1690241, 1931704, 2897556, 3380482, 3863408, 5070723, 5795112, 6760964, 10141446, 11590224, 13521928, 20282892, 27043856, 40565784, 81131568]

約数ペア:

[(1, 81131568), (2, 40565784), (3, 27043856), (4, 20282892), (6, 13521928), (7, 11590224), (8, 10141446), (12, 6760964), (14, 5795112), (16, 5070723), (21, 3863408), (24, 3380482), (28, 2897556), (42, 1931704), (48, 1690241), (56, 1448778), (84, 965852), (112, 724389), (168, 482926), (336, 241463)]