257730516

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8017}}^1$

素因数の和:8093

約数の個数: 72

約数和(自身を含む): 700452480

約数和(自身を除く): 442721964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 684, 846, 893, 1692, 1786, 2679, 3572, 5358, 8017, 8037, 10716, 16034, 16074, 24051, 32068, 32148, 48102, 72153, 96204, 144306, 152323, 288612, 304646, 376799, 456969, 609292, 753598, 913938, 1130397, 1370907, 1507196, 1827876, 2260794, 2741814, 3391191, 4521588, 5483628, 6782382, 7159181, 13564764, 14318362, 21477543, 28636724, 42955086, 64432629, 85910172, 128865258, 257730516]

約数ペア:

[(1, 257730516), (2, 128865258), (3, 85910172), (4, 64432629), (6, 42955086), (9, 28636724), (12, 21477543), (18, 14318362), (19, 13564764), (36, 7159181), (38, 6782382), (47, 5483628), (57, 4521588), (76, 3391191), (94, 2741814), (114, 2260794), (141, 1827876), (171, 1507196), (188, 1370907), (228, 1130397), (282, 913938), (342, 753598), (423, 609292), (564, 456969), (684, 376799), (846, 304646), (893, 288612), (1692, 152323), (1786, 144306), (2679, 96204), (3572, 72153), (5358, 48102), (8017, 32148), (8037, 32068), (10716, 24051), (16034, 16074)]