1971995512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{391891}}^1$

素因数の和:391951

約数の個数: 32

約数和(自身を含む): 4020811920

約数和(自身を除く): 2048816408

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 5032, 391891, 783782, 1567564, 3135128, 6662147, 13324294, 14499967, 26648588, 28999934, 53297176, 57999868, 115999736, 246499439, 492998878, 985997756, 1971995512]

約数ペア:

[(1, 1971995512), (2, 985997756), (4, 492998878), (8, 246499439), (17, 115999736), (34, 57999868), (37, 53297176), (68, 28999934), (74, 26648588), (136, 14499967), (148, 13324294), (296, 6662147), (629, 3135128), (1258, 1567564), (2516, 783782), (5032, 391891)]