278265078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3331}}^1$

素因数の和:3379

約数の個数: 128

約数和(自身を含む): 806077440

約数和(自身を除く): 527812362

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 273, 306, 351, 357, 378, 442, 459, 546, 663, 702, 714, 819, 918, 1071, 1326, 1547, 1638, 1989, 2142, 2457, 3094, 3213, 3331, 3978, 4641, 4914, 5967, 6426, 6662, 9282, 9993, 11934, 13923, 19986, 23317, 27846, 29979, 41769, 43303, 46634, 56627, 59958, 69951, 83538, 86606, 89937, 113254, 129909, 139902, 169881, 179874, 209853, 259818, 303121, 339762, 389727, 396389, 419706, 509643, 606242, 629559, 736151, 779454, 792778, 909363, 1019286, 1169181, 1189167, 1259118, 1472302, 1528929, 1818726, 2208453, 2338362, 2378334, 2728089, 3057858, 3567501, 4416906, 5153057, 5456178, 6625359, 7135002, 8184267, 10306114, 10702503, 13250718, 15459171, 16368534, 19876077, 21405006, 30918342, 39752154, 46377513, 92755026, 139132539, 278265078]

約数ペア:

[(1, 278265078), (2, 139132539), (3, 92755026), (6, 46377513), (7, 39752154), (9, 30918342), (13, 21405006), (14, 19876077), (17, 16368534), (18, 15459171), (21, 13250718), (26, 10702503), (27, 10306114), (34, 8184267), (39, 7135002), (42, 6625359), (51, 5456178), (54, 5153057), (63, 4416906), (78, 3567501), (91, 3057858), (102, 2728089), (117, 2378334), (119, 2338362), (126, 2208453), (153, 1818726), (182, 1528929), (189, 1472302), (221, 1259118), (234, 1189167), (238, 1169181), (273, 1019286), (306, 909363), (351, 792778), (357, 779454), (378, 736151), (442, 629559), (459, 606242), (546, 509643), (663, 419706), (702, 396389), (714, 389727), (819, 339762), (918, 303121), (1071, 259818), (1326, 209853), (1547, 179874), (1638, 169881), (1989, 139902), (2142, 129909), (2457, 113254), (3094, 89937), (3213, 86606), (3331, 83538), (3978, 69951), (4641, 59958), (4914, 56627), (5967, 46634), (6426, 43303), (6662, 41769), (9282, 29979), (9993, 27846), (11934, 23317), (13923, 19986)]