689940896

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{719}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 1376040960

約数和(自身を除く): 686100064

約数列:

[1, 2, 4, 8, 16, 32, 157, 191, 314, 382, 628, 719, 764, 1256, 1438, 1528, 2512, 2876, 3056, 5024, 5752, 6112, 11504, 23008, 29987, 59974, 112883, 119948, 137329, 225766, 239896, 274658, 451532, 479792, 549316, 903064, 959584, 1098632, 1806128, 2197264, 3612256, 4394528, 21560653, 43121306, 86242612, 172485224, 344970448, 689940896]

約数ペア:

[(1, 689940896), (2, 344970448), (4, 172485224), (8, 86242612), (16, 43121306), (32, 21560653), (157, 4394528), (191, 3612256), (314, 2197264), (382, 1806128), (628, 1098632), (719, 959584), (764, 903064), (1256, 549316), (1438, 479792), (1528, 451532), (2512, 274658), (2876, 239896), (3056, 225766), (5024, 137329), (5752, 119948), (6112, 112883), (11504, 59974), (23008, 29987)]