81614258

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 148414464

約数和(自身を除く): 66800206

約数列:

[1, 2, 11, 22, 23, 31, 43, 46, 62, 86, 121, 242, 253, 341, 473, 506, 682, 713, 946, 989, 1331, 1333, 1426, 1978, 2662, 2666, 2783, 3751, 5203, 5566, 7502, 7843, 10406, 10879, 14663, 15686, 21758, 29326, 30613, 30659, 41261, 57233, 61226, 61318, 82522, 86273, 114466, 119669, 161293, 172546, 239338, 322586, 337249, 674498, 949003, 1316359, 1774223, 1898006, 2632718, 3548446, 3709739, 7419478, 40807129, 81614258]

約数ペア:

[(1, 81614258), (2, 40807129), (11, 7419478), (22, 3709739), (23, 3548446), (31, 2632718), (43, 1898006), (46, 1774223), (62, 1316359), (86, 949003), (121, 674498), (242, 337249), (253, 322586), (341, 239338), (473, 172546), (506, 161293), (682, 119669), (713, 114466), (946, 86273), (989, 82522), (1331, 61318), (1333, 61226), (1426, 57233), (1978, 41261), (2662, 30659), (2666, 30613), (2783, 29326), (3751, 21758), (5203, 15686), (5566, 14663), (7502, 10879), (7843, 10406)]