138916225

素因数分解:

$5^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 201975168

約数和(自身を除く): 63058943

約数列:

[1, 5, 7, 25, 35, 49, 151, 175, 245, 751, 755, 1057, 1225, 3755, 3775, 5257, 5285, 7399, 18775, 26285, 26425, 36799, 36995, 113401, 131425, 183995, 184975, 567005, 793807, 919975, 2835025, 3969035, 5556649, 19845175, 27783245, 138916225]

約数ペア:

[(1, 138916225), (5, 27783245), (7, 19845175), (25, 5556649), (35, 3969035), (49, 2835025), (151, 919975), (175, 793807), (245, 567005), (751, 184975), (755, 183995), (1057, 131425), (1225, 113401), (3755, 36995), (3775, 36799), (5257, 26425), (5285, 26285), (7399, 18775)]