31287996

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{12241}}^1$

素因数の和:12322

約数の個数: 36

約数和(自身を含む): 80209584

約数和(自身を除く): 48921588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 12241, 24482, 36723, 48964, 73446, 110169, 146892, 220338, 440676, 869111, 1738222, 2607333, 3476444, 5214666, 7821999, 10429332, 15643998, 31287996]

約数ペア:

[(1, 31287996), (2, 15643998), (3, 10429332), (4, 7821999), (6, 5214666), (9, 3476444), (12, 2607333), (18, 1738222), (36, 869111), (71, 440676), (142, 220338), (213, 146892), (284, 110169), (426, 73446), (639, 48964), (852, 36723), (1278, 24482), (2556, 12241)]