247749588

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3323}}^1$

素因数の和:3461

約数の個数: 72

約数和(自身を含む): 665464800

約数和(自身を除く): 417715212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 327, 342, 436, 654, 684, 981, 1308, 1962, 2071, 3323, 3924, 4142, 6213, 6646, 8284, 9969, 12426, 13292, 18639, 19938, 24852, 29907, 37278, 39876, 59814, 63137, 74556, 119628, 126274, 189411, 252548, 362207, 378822, 568233, 724414, 757644, 1086621, 1136466, 1448828, 2173242, 2272932, 3259863, 4346484, 6519726, 6881933, 13039452, 13763866, 20645799, 27527732, 41291598, 61937397, 82583196, 123874794, 247749588]

約数ペア:

[(1, 247749588), (2, 123874794), (3, 82583196), (4, 61937397), (6, 41291598), (9, 27527732), (12, 20645799), (18, 13763866), (19, 13039452), (36, 6881933), (38, 6519726), (57, 4346484), (76, 3259863), (109, 2272932), (114, 2173242), (171, 1448828), (218, 1136466), (228, 1086621), (327, 757644), (342, 724414), (436, 568233), (654, 378822), (684, 362207), (981, 252548), (1308, 189411), (1962, 126274), (2071, 119628), (3323, 74556), (3924, 63137), (4142, 59814), (6213, 39876), (6646, 37278), (8284, 29907), (9969, 24852), (12426, 19938), (13292, 18639)]