665076412

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 1620833760

約数和(自身を除く): 955757348

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 61, 77, 91, 98, 122, 143, 154, 182, 196, 244, 286, 308, 364, 389, 427, 539, 572, 637, 671, 778, 793, 854, 1001, 1078, 1274, 1342, 1556, 1586, 1708, 2002, 2156, 2548, 2684, 2723, 2989, 3172, 4004, 4279, 4697, 5057, 5446, 5551, 5978, 7007, 8558, 8723, 9394, 10114, 10892, 11102, 11956, 14014, 17116, 17446, 18788, 19061, 20228, 22204, 23729, 28028, 29953, 32879, 34892, 35399, 38122, 38857, 47458, 55627, 59906, 61061, 65758, 70798, 76244, 77714, 94916, 111254, 119812, 122122, 131516, 141596, 155428, 166103, 209671, 222508, 244244, 247793, 261019, 308477, 332206, 389389, 419342, 427427, 495586, 522038, 616954, 664412, 778778, 838684, 854854, 991172, 1044076, 1162721, 1233908, 1557556, 1709708, 1827133, 2159339, 2325442, 2725723, 3393247, 3654266, 4318678, 4650884, 5451446, 6786494, 7308532, 8637356, 10902892, 12789931, 13572988, 15115373, 23752729, 25579862, 30230746, 47505458, 51159724, 60461492, 95010916, 166269103, 332538206, 665076412]

約数ペア:

[(1, 665076412), (2, 332538206), (4, 166269103), (7, 95010916), (11, 60461492), (13, 51159724), (14, 47505458), (22, 30230746), (26, 25579862), (28, 23752729), (44, 15115373), (49, 13572988), (52, 12789931), (61, 10902892), (77, 8637356), (91, 7308532), (98, 6786494), (122, 5451446), (143, 4650884), (154, 4318678), (182, 3654266), (196, 3393247), (244, 2725723), (286, 2325442), (308, 2159339), (364, 1827133), (389, 1709708), (427, 1557556), (539, 1233908), (572, 1162721), (637, 1044076), (671, 991172), (778, 854854), (793, 838684), (854, 778778), (1001, 664412), (1078, 616954), (1274, 522038), (1342, 495586), (1556, 427427), (1586, 419342), (1708, 389389), (2002, 332206), (2156, 308477), (2548, 261019), (2684, 247793), (2723, 244244), (2989, 222508), (3172, 209671), (4004, 166103), (4279, 155428), (4697, 141596), (5057, 131516), (5446, 122122), (5551, 119812), (5978, 111254), (7007, 94916), (8558, 77714), (8723, 76244), (9394, 70798), (10114, 65758), (10892, 61061), (11102, 59906), (11956, 55627), (14014, 47458), (17116, 38857), (17446, 38122), (18788, 35399), (19061, 34892), (20228, 32879), (22204, 29953), (23729, 28028)]