28741372

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1450

約数の個数: 36

約数和(自身を含む): 56612248

約数和(自身を除く): 27870876

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1381, 1892, 2762, 5203, 5524, 10406, 15191, 20812, 30382, 59383, 60764, 118766, 167101, 237532, 334202, 653213, 668404, 1306426, 2612852, 7185343, 14370686, 28741372]

約数ペア:

[(1, 28741372), (2, 14370686), (4, 7185343), (11, 2612852), (22, 1306426), (43, 668404), (44, 653213), (86, 334202), (121, 237532), (172, 167101), (242, 118766), (473, 60764), (484, 59383), (946, 30382), (1381, 20812), (1892, 15191), (2762, 10406), (5203, 5524)]