3978128

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3229}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 9612480

約数和(自身を除く): 5634352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 3229, 6458, 12916, 22603, 25832, 35519, 45206, 51664, 71038, 90412, 142076, 180824, 248633, 284152, 361648, 497266, 568304, 994532, 1989064, 3978128]

約数ペア:

[(1, 3978128), (2, 1989064), (4, 994532), (7, 568304), (8, 497266), (11, 361648), (14, 284152), (16, 248633), (22, 180824), (28, 142076), (44, 90412), (56, 71038), (77, 51664), (88, 45206), (112, 35519), (154, 25832), (176, 22603), (308, 12916), (616, 6458), (1232, 3229)]