81919258

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 132969600

約数和(自身を除く): 51050342

約数列:

[1, 2, 29, 37, 58, 59, 74, 118, 647, 1073, 1294, 1711, 2146, 2183, 3422, 4366, 18763, 23939, 37526, 38173, 47878, 63307, 76346, 126614, 694231, 1107017, 1388462, 1412401, 2214034, 2824802, 40959629, 81919258]

約数ペア:

[(1, 81919258), (2, 40959629), (29, 2824802), (37, 2214034), (58, 1412401), (59, 1388462), (74, 1107017), (118, 694231), (647, 126614), (1073, 76346), (1294, 63307), (1711, 47878), (2146, 38173), (2183, 37526), (3422, 23939), (4366, 18763)]