311999376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 903108864

約数和(自身を除く): 591109488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 127, 156, 186, 208, 248, 254, 312, 372, 381, 403, 496, 508, 624, 744, 762, 806, 1016, 1209, 1488, 1524, 1612, 1651, 2032, 2418, 3048, 3224, 3302, 3937, 4836, 4953, 6096, 6448, 6604, 7874, 9672, 9906, 11811, 13208, 15748, 16129, 19344, 19812, 23622, 26416, 31496, 32258, 39624, 47244, 48387, 51181, 62992, 64516, 79248, 94488, 96774, 102362, 129032, 153543, 188976, 193548, 204724, 209677, 258064, 307086, 387096, 409448, 419354, 499999, 614172, 629031, 774192, 818896, 838708, 999998, 1228344, 1258062, 1499997, 1677416, 1999996, 2456688, 2516124, 2999994, 3354832, 3999992, 5032248, 5999988, 6499987, 7999984, 10064496, 11999976, 12999974, 19499961, 23999952, 25999948, 38999922, 51999896, 77999844, 103999792, 155999688, 311999376]

約数ペア:

[(1, 311999376), (2, 155999688), (3, 103999792), (4, 77999844), (6, 51999896), (8, 38999922), (12, 25999948), (13, 23999952), (16, 19499961), (24, 12999974), (26, 11999976), (31, 10064496), (39, 7999984), (48, 6499987), (52, 5999988), (62, 5032248), (78, 3999992), (93, 3354832), (104, 2999994), (124, 2516124), (127, 2456688), (156, 1999996), (186, 1677416), (208, 1499997), (248, 1258062), (254, 1228344), (312, 999998), (372, 838708), (381, 818896), (403, 774192), (496, 629031), (508, 614172), (624, 499999), (744, 419354), (762, 409448), (806, 387096), (1016, 307086), (1209, 258064), (1488, 209677), (1524, 204724), (1612, 193548), (1651, 188976), (2032, 153543), (2418, 129032), (3048, 102362), (3224, 96774), (3302, 94488), (3937, 79248), (4836, 64516), (4953, 62992), (6096, 51181), (6448, 48387), (6604, 47244), (7874, 39624), (9672, 32258), (9906, 31496), (11811, 26416), (13208, 23622), (15748, 19812), (16129, 19344)]