71819748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2034

約数の個数: 144

約数和(自身を含む): 243874176

約数和(自身を除く): 172054428

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 693, 819, 858, 924, 1001, 1092, 1287, 1386, 1638, 1716, 1993, 2002, 2574, 2772, 3003, 3276, 3986, 4004, 5148, 5979, 6006, 7972, 9009, 11958, 12012, 13951, 17937, 18018, 21923, 23916, 25909, 27902, 35874, 36036, 41853, 43846, 51818, 55804, 65769, 71748, 77727, 83706, 87692, 103636, 125559, 131538, 153461, 155454, 167412, 181363, 197307, 233181, 251118, 263076, 284999, 306922, 310908, 362726, 394614, 460383, 466362, 502236, 544089, 569998, 613844, 725452, 789228, 854997, 920766, 932724, 1088178, 1139996, 1381149, 1632267, 1709994, 1841532, 1994993, 2176356, 2564991, 2762298, 3264534, 3419988, 3989986, 5129982, 5524596, 5984979, 6529068, 7979972, 10259964, 11969958, 17954937, 23939916, 35909874, 71819748]

約数ペア:

[(1, 71819748), (2, 35909874), (3, 23939916), (4, 17954937), (6, 11969958), (7, 10259964), (9, 7979972), (11, 6529068), (12, 5984979), (13, 5524596), (14, 5129982), (18, 3989986), (21, 3419988), (22, 3264534), (26, 2762298), (28, 2564991), (33, 2176356), (36, 1994993), (39, 1841532), (42, 1709994), (44, 1632267), (52, 1381149), (63, 1139996), (66, 1088178), (77, 932724), (78, 920766), (84, 854997), (91, 789228), (99, 725452), (117, 613844), (126, 569998), (132, 544089), (143, 502236), (154, 466362), (156, 460383), (182, 394614), (198, 362726), (231, 310908), (234, 306922), (252, 284999), (273, 263076), (286, 251118), (308, 233181), (364, 197307), (396, 181363), (429, 167412), (462, 155454), (468, 153461), (546, 131538), (572, 125559), (693, 103636), (819, 87692), (858, 83706), (924, 77727), (1001, 71748), (1092, 65769), (1287, 55804), (1386, 51818), (1638, 43846), (1716, 41853), (1993, 36036), (2002, 35874), (2574, 27902), (2772, 25909), (3003, 23916), (3276, 21923), (3986, 18018), (4004, 17937), (5148, 13951), (5979, 12012), (6006, 11958), (7972, 9009)]