81465088

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{18719}}^1$

素因数の和:18752

約数の個数: 36

約数和(自身を含む): 172186560

約数和(自身を除く): 90721472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 18719, 37438, 74876, 149752, 299504, 318223, 599008, 636446, 1198016, 1272892, 2396032, 2545784, 4792064, 5091568, 10183136, 20366272, 40732544, 81465088]

約数ペア:

[(1, 81465088), (2, 40732544), (4, 20366272), (8, 10183136), (16, 5091568), (17, 4792064), (32, 2545784), (34, 2396032), (64, 1272892), (68, 1198016), (128, 636446), (136, 599008), (256, 318223), (272, 299504), (544, 149752), (1088, 74876), (2176, 37438), (4352, 18719)]