81210668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 186278400

約数和(自身を除く): 105067732

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 59, 77, 82, 109, 118, 154, 164, 218, 236, 287, 308, 413, 436, 451, 574, 649, 763, 826, 902, 1148, 1199, 1298, 1526, 1652, 1804, 2398, 2419, 2596, 3052, 3157, 4469, 4543, 4796, 4838, 6314, 6431, 8393, 8938, 9086, 9676, 12628, 12862, 16786, 16933, 17876, 18172, 25724, 26609, 31283, 33572, 33866, 45017, 49159, 53218, 62566, 67732, 70741, 90034, 98318, 106436, 125132, 141482, 180068, 186263, 196636, 263671, 282964, 344113, 372526, 495187, 527342, 688226, 745052, 990374, 1054684, 1376452, 1845697, 1980748, 2900381, 3691394, 5800762, 7382788, 11601524, 20302667, 40605334, 81210668]

約数ペア:

[(1, 81210668), (2, 40605334), (4, 20302667), (7, 11601524), (11, 7382788), (14, 5800762), (22, 3691394), (28, 2900381), (41, 1980748), (44, 1845697), (59, 1376452), (77, 1054684), (82, 990374), (109, 745052), (118, 688226), (154, 527342), (164, 495187), (218, 372526), (236, 344113), (287, 282964), (308, 263671), (413, 196636), (436, 186263), (451, 180068), (574, 141482), (649, 125132), (763, 106436), (826, 98318), (902, 90034), (1148, 70741), (1199, 67732), (1298, 62566), (1526, 53218), (1652, 49159), (1804, 45017), (2398, 33866), (2419, 33572), (2596, 31283), (3052, 26609), (3157, 25724), (4469, 18172), (4543, 17876), (4796, 16933), (4838, 16786), (6314, 12862), (6431, 12628), (8393, 9676), (8938, 9086)]