127935808

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2040

約数の個数: 112

約数和(自身を含む): 341034624

約数和(自身を除く): 213098816

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 448, 572, 616, 704, 728, 832, 1001, 1144, 1232, 1456, 1997, 2002, 2288, 2464, 2912, 3994, 4004, 4576, 4928, 5824, 7988, 8008, 9152, 13979, 15976, 16016, 21967, 25961, 27958, 31952, 32032, 43934, 51922, 55916, 63904, 64064, 87868, 103844, 111832, 127808, 153769, 175736, 181727, 207688, 223664, 285571, 307538, 351472, 363454, 415376, 447328, 571142, 615076, 702944, 726908, 830752, 894656, 1142284, 1230152, 1405888, 1453816, 1661504, 1998997, 2284568, 2460304, 2907632, 3997994, 4569136, 4920608, 5815264, 7995988, 9138272, 9841216, 11630528, 15991976, 18276544, 31983952, 63967904, 127935808]

約数ペア:

[(1, 127935808), (2, 63967904), (4, 31983952), (7, 18276544), (8, 15991976), (11, 11630528), (13, 9841216), (14, 9138272), (16, 7995988), (22, 5815264), (26, 4920608), (28, 4569136), (32, 3997994), (44, 2907632), (52, 2460304), (56, 2284568), (64, 1998997), (77, 1661504), (88, 1453816), (91, 1405888), (104, 1230152), (112, 1142284), (143, 894656), (154, 830752), (176, 726908), (182, 702944), (208, 615076), (224, 571142), (286, 447328), (308, 415376), (352, 363454), (364, 351472), (416, 307538), (448, 285571), (572, 223664), (616, 207688), (704, 181727), (728, 175736), (832, 153769), (1001, 127808), (1144, 111832), (1232, 103844), (1456, 87868), (1997, 64064), (2002, 63904), (2288, 55916), (2464, 51922), (2912, 43934), (3994, 32032), (4004, 31952), (4576, 27958), (4928, 25961), (5824, 21967), (7988, 16016), (8008, 15976), (9152, 13979)]