77874170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 161989632

約数和(自身を除く): 84115462

約数列:

[1, 2, 5, 10, 11, 22, 31, 41, 55, 62, 82, 110, 155, 205, 310, 341, 410, 451, 557, 682, 902, 1114, 1271, 1705, 2255, 2542, 2785, 3410, 4510, 5570, 6127, 6355, 12254, 12710, 13981, 17267, 22837, 27962, 30635, 34534, 45674, 61270, 69905, 86335, 114185, 139810, 172670, 189937, 228370, 251207, 379874, 502414, 707947, 949685, 1256035, 1415894, 1899370, 2512070, 3539735, 7079470, 7787417, 15574834, 38937085, 77874170]

約数ペア:

[(1, 77874170), (2, 38937085), (5, 15574834), (10, 7787417), (11, 7079470), (22, 3539735), (31, 2512070), (41, 1899370), (55, 1415894), (62, 1256035), (82, 949685), (110, 707947), (155, 502414), (205, 379874), (310, 251207), (341, 228370), (410, 189937), (451, 172670), (557, 139810), (682, 114185), (902, 86335), (1114, 69905), (1271, 61270), (1705, 45674), (2255, 34534), (2542, 30635), (2785, 27962), (3410, 22837), (4510, 17267), (5570, 13981), (6127, 12710), (6355, 12254)]