164075275

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10303}}^1$

素因数の和:10340

約数の個数: 36

約数和(自身を含む): 254900352

約数和(自身を除く): 90825077

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185, 10303, 15925, 51515, 72121, 133939, 257575, 360605, 504847, 669695, 937573, 1803025, 2524235, 3348475, 4687865, 6563011, 12621175, 23439325, 32815055, 164075275]

約数ペア:

[(1, 164075275), (5, 32815055), (7, 23439325), (13, 12621175), (25, 6563011), (35, 4687865), (49, 3348475), (65, 2524235), (91, 1803025), (175, 937573), (245, 669695), (325, 504847), (455, 360605), (637, 257575), (1225, 133939), (2275, 72121), (3185, 51515), (10303, 15925)]