61581268

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 128419200

約数和(自身を除く): 66837932

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 181, 203, 362, 406, 419, 724, 812, 838, 1267, 1676, 2534, 2933, 5068, 5249, 5866, 10498, 11732, 12151, 20996, 24302, 36743, 48604, 73486, 75839, 85057, 146972, 151678, 170114, 303356, 340228, 530873, 1061746, 2123492, 2199331, 4398662, 8797324, 15395317, 30790634, 61581268]

約数ペア:

[(1, 61581268), (2, 30790634), (4, 15395317), (7, 8797324), (14, 4398662), (28, 2199331), (29, 2123492), (58, 1061746), (116, 530873), (181, 340228), (203, 303356), (362, 170114), (406, 151678), (419, 146972), (724, 85057), (812, 75839), (838, 73486), (1267, 48604), (1676, 36743), (2534, 24302), (2933, 20996), (5068, 12151), (5249, 11732), (5866, 10498)]