199172792

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 463216320

約数和(自身を除く): 264043528

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 137, 182, 274, 364, 548, 728, 959, 1096, 1781, 1918, 1997, 3562, 3836, 3994, 7124, 7672, 7988, 12467, 13979, 14248, 15976, 24934, 25961, 27958, 49868, 51922, 55916, 99736, 103844, 111832, 181727, 207688, 273589, 363454, 547178, 726908, 1094356, 1453816, 1915123, 2188712, 3556657, 3830246, 7113314, 7660492, 14226628, 15320984, 24896599, 28453256, 49793198, 99586396, 199172792]

約数ペア:

[(1, 199172792), (2, 99586396), (4, 49793198), (7, 28453256), (8, 24896599), (13, 15320984), (14, 14226628), (26, 7660492), (28, 7113314), (52, 3830246), (56, 3556657), (91, 2188712), (104, 1915123), (137, 1453816), (182, 1094356), (274, 726908), (364, 547178), (548, 363454), (728, 273589), (959, 207688), (1096, 181727), (1781, 111832), (1918, 103844), (1997, 99736), (3562, 55916), (3836, 51922), (3994, 49868), (7124, 27958), (7672, 25961), (7988, 24934), (12467, 15976), (13979, 14248)]