15988216321

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{12553}}^1$

素因数の和:12734

約数の個数: 48

約数和(自身を含む): 21639078720

約数和(自身を除く): 5650862399

約数列:

[1, 7, 11, 17, 49, 77, 119, 139, 187, 539, 833, 973, 1309, 1529, 2363, 6811, 9163, 10703, 12553, 16541, 25993, 74921, 87871, 115787, 138083, 181951, 213401, 615097, 966581, 1273657, 1493807, 1744867, 2347411, 6766067, 10456649, 12214069, 16431877, 19193537, 29662739, 85498483, 115023139, 134354759, 207639173, 326290129, 940483313, 1453474211, 2284030903, 15988216321]

約数ペア:

[(1, 15988216321), (7, 2284030903), (11, 1453474211), (17, 940483313), (49, 326290129), (77, 207639173), (119, 134354759), (139, 115023139), (187, 85498483), (539, 29662739), (833, 19193537), (973, 16431877), (1309, 12214069), (1529, 10456649), (2363, 6766067), (6811, 2347411), (9163, 1744867), (10703, 1493807), (12553, 1273657), (16541, 966581), (25993, 615097), (74921, 213401), (87871, 181951), (115787, 138083)]