31123312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{977}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 66214512

約数和(自身を除く): 35091200

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 724, 977, 1448, 1954, 1991, 2896, 3908, 3982, 7816, 7964, 10747, 15632, 15928, 21494, 31856, 42988, 85976, 171952, 176837, 353674, 707348, 1414696, 1945207, 2829392, 3890414, 7780828, 15561656, 31123312]

約数ペア:

[(1, 31123312), (2, 15561656), (4, 7780828), (8, 3890414), (11, 2829392), (16, 1945207), (22, 1414696), (44, 707348), (88, 353674), (176, 176837), (181, 171952), (362, 85976), (724, 42988), (977, 31856), (1448, 21494), (1954, 15928), (1991, 15632), (2896, 10747), (3908, 7964), (3982, 7816)]