31698940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17417}}^1$

素因数の和:17446

約数の個数: 48

約数和(自身を含む): 81934272

約数和(自身を除く): 50235332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17417, 34834, 69668, 87085, 121919, 174170, 226421, 243838, 348340, 452842, 487676, 609595, 905684, 1132105, 1219190, 1584947, 2264210, 2438380, 3169894, 4528420, 6339788, 7924735, 15849470, 31698940]

約数ペア:

[(1, 31698940), (2, 15849470), (4, 7924735), (5, 6339788), (7, 4528420), (10, 3169894), (13, 2438380), (14, 2264210), (20, 1584947), (26, 1219190), (28, 1132105), (35, 905684), (52, 609595), (65, 487676), (70, 452842), (91, 348340), (130, 243838), (140, 226421), (182, 174170), (260, 121919), (364, 87085), (455, 69668), (910, 34834), (1820, 17417)]