228551778

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 144

約数和(自身を含む): 641362176

約数和(自身を除く): 412810398

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 49, 62, 63, 78, 91, 93, 98, 117, 126, 147, 182, 186, 217, 234, 273, 279, 294, 403, 434, 441, 546, 558, 637, 643, 651, 806, 819, 882, 1209, 1274, 1286, 1302, 1519, 1638, 1911, 1929, 1953, 2418, 2821, 3038, 3627, 3822, 3858, 3906, 4501, 4557, 5642, 5733, 5787, 7254, 8359, 8463, 9002, 9114, 11466, 11574, 13503, 13671, 16718, 16926, 19747, 19933, 25077, 25389, 27006, 27342, 31507, 39494, 39866, 40509, 50154, 50778, 58513, 59241, 59799, 63014, 75231, 81018, 94521, 117026, 118482, 119598, 139531, 150462, 175539, 177723, 179397, 189042, 259129, 279062, 283563, 351078, 355446, 358794, 409591, 418593, 518258, 526617, 567126, 777387, 819182, 837186, 976717, 1053234, 1228773, 1255779, 1554774, 1813903, 1953434, 2332161, 2457546, 2511558, 2930151, 3627806, 3686319, 4664322, 5441709, 5860302, 7372638, 8790453, 10883418, 12697321, 16325127, 17580906, 25394642, 32650254, 38091963, 76183926, 114275889, 228551778]

約数ペア:

[(1, 228551778), (2, 114275889), (3, 76183926), (6, 38091963), (7, 32650254), (9, 25394642), (13, 17580906), (14, 16325127), (18, 12697321), (21, 10883418), (26, 8790453), (31, 7372638), (39, 5860302), (42, 5441709), (49, 4664322), (62, 3686319), (63, 3627806), (78, 2930151), (91, 2511558), (93, 2457546), (98, 2332161), (117, 1953434), (126, 1813903), (147, 1554774), (182, 1255779), (186, 1228773), (217, 1053234), (234, 976717), (273, 837186), (279, 819182), (294, 777387), (403, 567126), (434, 526617), (441, 518258), (546, 418593), (558, 409591), (637, 358794), (643, 355446), (651, 351078), (806, 283563), (819, 279062), (882, 259129), (1209, 189042), (1274, 179397), (1286, 177723), (1302, 175539), (1519, 150462), (1638, 139531), (1911, 119598), (1929, 118482), (1953, 117026), (2418, 94521), (2821, 81018), (3038, 75231), (3627, 63014), (3822, 59799), (3858, 59241), (3906, 58513), (4501, 50778), (4557, 50154), (5642, 40509), (5733, 39866), (5787, 39494), (7254, 31507), (8359, 27342), (8463, 27006), (9002, 25389), (9114, 25077), (11466, 19933), (11574, 19747), (13503, 16926), (13671, 16718)]