199948595

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 313528320

約数和(自身を除く): 113579725

約数列:

[1, 5, 7, 11, 35, 41, 53, 55, 77, 205, 239, 265, 287, 371, 385, 451, 583, 1195, 1435, 1673, 1855, 2173, 2255, 2629, 2915, 3157, 4081, 8365, 9799, 10865, 12667, 13145, 15211, 15785, 18403, 20405, 23903, 48995, 63335, 68593, 76055, 88669, 92015, 107789, 119515, 139337, 167321, 342965, 443345, 519347, 538945, 696685, 754523, 836605, 975359, 2596735, 3635429, 3772615, 4876795, 5712817, 18177145, 28564085, 39989719, 199948595]

約数ペア:

[(1, 199948595), (5, 39989719), (7, 28564085), (11, 18177145), (35, 5712817), (41, 4876795), (53, 3772615), (55, 3635429), (77, 2596735), (205, 975359), (239, 836605), (265, 754523), (287, 696685), (371, 538945), (385, 519347), (451, 443345), (583, 342965), (1195, 167321), (1435, 139337), (1673, 119515), (1855, 107789), (2173, 92015), (2255, 88669), (2629, 76055), (2915, 68593), (3157, 63335), (4081, 48995), (8365, 23903), (9799, 20405), (10865, 18403), (12667, 15785), (13145, 15211)]