223439216

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 120

約数和(自身を含む): 591930864

約数和(自身を除く): 368491648

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 286, 308, 364, 392, 539, 572, 616, 637, 728, 784, 1001, 1078, 1144, 1232, 1274, 1456, 1993, 2002, 2156, 2288, 2548, 3986, 4004, 4312, 5096, 7007, 7972, 8008, 8624, 10192, 13951, 14014, 15944, 16016, 21923, 25909, 27902, 28028, 31888, 43846, 51818, 55804, 56056, 87692, 97657, 103636, 111608, 112112, 153461, 175384, 181363, 195314, 207272, 223216, 284999, 306922, 350768, 362726, 390628, 414544, 569998, 613844, 725452, 781256, 1074227, 1139996, 1227688, 1269541, 1450904, 1562512, 1994993, 2148454, 2279992, 2455376, 2539082, 2901808, 3989986, 4296908, 4559984, 5078164, 7979972, 8593816, 10156328, 13964951, 15959944, 17187632, 20312656, 27929902, 31919888, 55859804, 111719608, 223439216]

約数ペア:

[(1, 223439216), (2, 111719608), (4, 55859804), (7, 31919888), (8, 27929902), (11, 20312656), (13, 17187632), (14, 15959944), (16, 13964951), (22, 10156328), (26, 8593816), (28, 7979972), (44, 5078164), (49, 4559984), (52, 4296908), (56, 3989986), (77, 2901808), (88, 2539082), (91, 2455376), (98, 2279992), (104, 2148454), (112, 1994993), (143, 1562512), (154, 1450904), (176, 1269541), (182, 1227688), (196, 1139996), (208, 1074227), (286, 781256), (308, 725452), (364, 613844), (392, 569998), (539, 414544), (572, 390628), (616, 362726), (637, 350768), (728, 306922), (784, 284999), (1001, 223216), (1078, 207272), (1144, 195314), (1232, 181363), (1274, 175384), (1456, 153461), (1993, 112112), (2002, 111608), (2156, 103636), (2288, 97657), (2548, 87692), (3986, 56056), (4004, 55804), (4312, 51818), (5096, 43846), (7007, 31888), (7972, 28028), (8008, 27902), (8624, 25909), (10192, 21923), (13951, 16016), (14014, 15944)]