82578275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 119159040

約数和(自身を除く): 36580765

約数列:

[1, 5, 13, 19, 25, 43, 65, 95, 215, 247, 311, 325, 475, 559, 817, 1075, 1235, 1555, 2795, 4043, 4085, 5909, 6175, 7775, 10621, 13373, 13975, 20215, 20425, 29545, 53105, 66865, 76817, 101075, 147725, 173849, 254087, 265525, 334325, 384085, 869245, 1270435, 1920425, 3303131, 4346225, 6352175, 16515655, 82578275]

約数ペア:

[(1, 82578275), (5, 16515655), (13, 6352175), (19, 4346225), (25, 3303131), (43, 1920425), (65, 1270435), (95, 869245), (215, 384085), (247, 334325), (311, 265525), (325, 254087), (475, 173849), (559, 147725), (817, 101075), (1075, 76817), (1235, 66865), (1555, 53105), (2795, 29545), (4043, 20425), (4085, 20215), (5909, 13975), (6175, 13373), (7775, 10621)]