72211975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 103136256

約数和(自身を除く): 30924281

約数列:

[1, 5, 11, 25, 37, 47, 55, 151, 185, 235, 275, 407, 517, 755, 925, 1175, 1661, 1739, 2035, 2585, 3775, 5587, 7097, 8305, 8695, 10175, 12925, 19129, 27935, 35485, 41525, 43475, 61457, 78067, 95645, 139675, 177425, 262589, 307285, 390335, 478225, 1312945, 1536425, 1951675, 2888479, 6564725, 14442395, 72211975]

約数ペア:

[(1, 72211975), (5, 14442395), (11, 6564725), (25, 2888479), (37, 1951675), (47, 1536425), (55, 1312945), (151, 478225), (185, 390335), (235, 307285), (275, 262589), (407, 177425), (517, 139675), (755, 95645), (925, 78067), (1175, 61457), (1661, 43475), (1739, 41525), (2035, 35485), (2585, 27935), (3775, 19129), (5587, 12925), (7097, 10175), (8305, 8695)]