128031904

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 144

約数和(自身を含む): 345080736

約数和(自身を除く): 217048832

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 224, 286, 308, 352, 364, 392, 416, 539, 571, 572, 616, 637, 728, 784, 1001, 1078, 1142, 1144, 1232, 1274, 1456, 1568, 2002, 2156, 2284, 2288, 2464, 2548, 2912, 3997, 4004, 4312, 4568, 4576, 5096, 6281, 7007, 7423, 7994, 8008, 8624, 9136, 10192, 12562, 14014, 14846, 15988, 16016, 17248, 18272, 20384, 25124, 27979, 28028, 29692, 31976, 32032, 43967, 50248, 51961, 55958, 56056, 59384, 63952, 81653, 87934, 100496, 103922, 111916, 112112, 118768, 127904, 163306, 175868, 200992, 207844, 223832, 224224, 237536, 307769, 326612, 351736, 363727, 415688, 447664, 571571, 615538, 653224, 703472, 727454, 831376, 895328, 1143142, 1231076, 1306448, 1406944, 1454908, 1662752, 2286284, 2462152, 2612896, 2909816, 4000997, 4572568, 4924304, 5819632, 8001994, 9145136, 9848608, 11639264, 16003988, 18290272, 32007976, 64015952, 128031904]

約数ペア:

[(1, 128031904), (2, 64015952), (4, 32007976), (7, 18290272), (8, 16003988), (11, 11639264), (13, 9848608), (14, 9145136), (16, 8001994), (22, 5819632), (26, 4924304), (28, 4572568), (32, 4000997), (44, 2909816), (49, 2612896), (52, 2462152), (56, 2286284), (77, 1662752), (88, 1454908), (91, 1406944), (98, 1306448), (104, 1231076), (112, 1143142), (143, 895328), (154, 831376), (176, 727454), (182, 703472), (196, 653224), (208, 615538), (224, 571571), (286, 447664), (308, 415688), (352, 363727), (364, 351736), (392, 326612), (416, 307769), (539, 237536), (571, 224224), (572, 223832), (616, 207844), (637, 200992), (728, 175868), (784, 163306), (1001, 127904), (1078, 118768), (1142, 112112), (1144, 111916), (1232, 103922), (1274, 100496), (1456, 87934), (1568, 81653), (2002, 63952), (2156, 59384), (2284, 56056), (2288, 55958), (2464, 51961), (2548, 50248), (2912, 43967), (3997, 32032), (4004, 31976), (4312, 29692), (4568, 28028), (4576, 27979), (5096, 25124), (6281, 20384), (7007, 18272), (7423, 17248), (7994, 16016), (8008, 15988), (8624, 14846), (9136, 14014), (10192, 12562)]