308403728

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{977}}^1$

素因数の和:1275

約数の個数: 40

約数和(自身を含む): 606966360

約数和(自身を除く): 298562632

約数列:

[1, 2, 4, 8, 16, 109, 181, 218, 362, 436, 724, 872, 977, 1448, 1744, 1954, 2896, 3908, 7816, 15632, 19729, 39458, 78916, 106493, 157832, 176837, 212986, 315664, 353674, 425972, 707348, 851944, 1414696, 1703888, 2829392, 19275233, 38550466, 77100932, 154201864, 308403728]

約数ペア:

[(1, 308403728), (2, 154201864), (4, 77100932), (8, 38550466), (16, 19275233), (109, 2829392), (181, 1703888), (218, 1414696), (362, 851944), (436, 707348), (724, 425972), (872, 353674), (977, 315664), (1448, 212986), (1744, 176837), (1954, 157832), (2896, 106493), (3908, 78916), (7816, 39458), (15632, 19729)]