156904645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 210301920

約数和(自身を除く): 53397275

約数列:

[1, 5, 17, 29, 53, 85, 145, 265, 493, 901, 1201, 1537, 2465, 4505, 6005, 7685, 20417, 26129, 34829, 63653, 102085, 130645, 174145, 318265, 592093, 1082101, 1845937, 2960465, 5410505, 9229685, 31380929, 156904645]

約数ペア:

[(1, 156904645), (5, 31380929), (17, 9229685), (29, 5410505), (53, 2960465), (85, 1845937), (145, 1082101), (265, 592093), (493, 318265), (901, 174145), (1201, 130645), (1537, 102085), (2465, 63653), (4505, 34829), (6005, 26129), (7685, 20417)]