31983952

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 80

約数和(自身を含む): 83244672

約数和(自身を除く): 51260720

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 1997, 2002, 2288, 3994, 4004, 7988, 8008, 13979, 15976, 16016, 21967, 25961, 27958, 31952, 43934, 51922, 55916, 87868, 103844, 111832, 153769, 175736, 181727, 207688, 223664, 285571, 307538, 351472, 363454, 415376, 571142, 615076, 726908, 1142284, 1230152, 1453816, 1998997, 2284568, 2460304, 2907632, 3997994, 4569136, 7995988, 15991976, 31983952]

約数ペア:

[(1, 31983952), (2, 15991976), (4, 7995988), (7, 4569136), (8, 3997994), (11, 2907632), (13, 2460304), (14, 2284568), (16, 1998997), (22, 1453816), (26, 1230152), (28, 1142284), (44, 726908), (52, 615076), (56, 571142), (77, 415376), (88, 363454), (91, 351472), (104, 307538), (112, 285571), (143, 223664), (154, 207688), (176, 181727), (182, 175736), (208, 153769), (286, 111832), (308, 103844), (364, 87868), (572, 55916), (616, 51922), (728, 43934), (1001, 31952), (1144, 27958), (1232, 25961), (1456, 21967), (1997, 16016), (2002, 15976), (2288, 13979), (3994, 8008), (4004, 7988)]