15993110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 33882624

約数和(自身を除く): 17889514

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 257, 490, 514, 635, 889, 1270, 1285, 1778, 1799, 2570, 3598, 4445, 6223, 8890, 8995, 12446, 12593, 17990, 25186, 31115, 32639, 62230, 62965, 65278, 125930, 163195, 228473, 326390, 456946, 1142365, 1599311, 2284730, 3198622, 7996555, 15993110]

約数ペア:

[(1, 15993110), (2, 7996555), (5, 3198622), (7, 2284730), (10, 1599311), (14, 1142365), (35, 456946), (49, 326390), (70, 228473), (98, 163195), (127, 125930), (245, 65278), (254, 62965), (257, 62230), (490, 32639), (514, 31115), (635, 25186), (889, 17990), (1270, 12593), (1285, 12446), (1778, 8995), (1799, 8890), (2570, 6223), (3598, 4445)]