28974602006

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1873}}^1$

素因数の和:2229

約数の個数: 64

約数和(自身を含む): 51294228480

約数和(自身を除く): 22319626474

約数列:

[1, 2, 7, 14, 71, 79, 142, 158, 197, 394, 497, 553, 994, 1106, 1379, 1873, 2758, 3746, 5609, 11218, 13111, 13987, 15563, 26222, 27974, 31126, 39263, 78526, 97909, 108941, 132983, 147967, 195818, 217882, 265966, 295934, 368981, 737962, 930881, 1035769, 1104973, 1861762, 2071538, 2209946, 2582867, 5165734, 7734811, 10505657, 15469622, 21011314, 26197651, 29149499, 52395302, 58298998, 73539599, 147079198, 183383557, 204046493, 366767114, 408092986, 2069614429, 4139228858, 14487301003, 28974602006]

約数ペア:

[(1, 28974602006), (2, 14487301003), (7, 4139228858), (14, 2069614429), (71, 408092986), (79, 366767114), (142, 204046493), (158, 183383557), (197, 147079198), (394, 73539599), (497, 58298998), (553, 52395302), (994, 29149499), (1106, 26197651), (1379, 21011314), (1873, 15469622), (2758, 10505657), (3746, 7734811), (5609, 5165734), (11218, 2582867), (13111, 2209946), (13987, 2071538), (15563, 1861762), (26222, 1104973), (27974, 1035769), (31126, 930881), (39263, 737962), (78526, 368981), (97909, 295934), (108941, 265966), (132983, 217882), (147967, 195818)]