66893330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 140947776

約数和(自身を除く): 74054446

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 211, 245, 422, 490, 647, 1055, 1294, 1477, 2110, 2954, 3235, 4529, 6470, 7385, 9058, 10339, 14770, 20678, 22645, 31703, 45290, 51695, 63406, 103390, 136517, 158515, 273034, 317030, 682585, 955619, 1365170, 1911238, 4778095, 6689333, 9556190, 13378666, 33446665, 66893330]

約数ペア:

[(1, 66893330), (2, 33446665), (5, 13378666), (7, 9556190), (10, 6689333), (14, 4778095), (35, 1911238), (49, 1365170), (70, 955619), (98, 682585), (211, 317030), (245, 273034), (422, 158515), (490, 136517), (647, 103390), (1055, 63406), (1294, 51695), (1477, 45290), (2110, 31703), (2954, 22645), (3235, 20678), (4529, 14770), (6470, 10339), (7385, 9058)]