3960944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 8384880

約数和(自身を除く): 4423936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 139, 208, 274, 278, 548, 556, 1096, 1112, 1781, 1807, 2192, 2224, 3562, 3614, 7124, 7228, 14248, 14456, 19043, 28496, 28912, 38086, 76172, 152344, 247559, 304688, 495118, 990236, 1980472, 3960944]

約数ペア:

[(1, 3960944), (2, 1980472), (4, 990236), (8, 495118), (13, 304688), (16, 247559), (26, 152344), (52, 76172), (104, 38086), (137, 28912), (139, 28496), (208, 19043), (274, 14456), (278, 14248), (548, 7228), (556, 7124), (1096, 3614), (1112, 3562), (1781, 2224), (1807, 2192)]