205086855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 361267200

約数和(自身を除く): 156180345

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 139, 155, 167, 285, 417, 465, 501, 589, 695, 835, 1767, 2085, 2505, 2641, 2945, 3173, 4309, 5177, 7923, 8835, 9519, 12927, 13205, 15531, 15865, 21545, 23213, 25885, 39615, 47595, 64635, 69639, 77655, 81871, 98363, 116065, 245613, 295089, 348195, 409355, 441047, 491815, 719603, 1228065, 1323141, 1475445, 2158809, 2205235, 3598015, 6615705, 10794045, 13672457, 41017371, 68362285, 205086855]

約数ペア:

[(1, 205086855), (3, 68362285), (5, 41017371), (15, 13672457), (19, 10794045), (31, 6615705), (57, 3598015), (93, 2205235), (95, 2158809), (139, 1475445), (155, 1323141), (167, 1228065), (285, 719603), (417, 491815), (465, 441047), (501, 409355), (589, 348195), (695, 295089), (835, 245613), (1767, 116065), (2085, 98363), (2505, 81871), (2641, 77655), (2945, 69639), (3173, 64635), (4309, 47595), (5177, 39615), (7923, 25885), (8835, 23213), (9519, 21545), (12927, 15865), (13205, 15531)]