1980472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 4057200

約数和(自身を除く): 2076728

約数列:

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

約数ペア:

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