221214448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 531840960

約数和(自身を除く): 310626512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 137, 182, 208, 274, 364, 548, 728, 959, 1096, 1109, 1456, 1781, 1918, 2192, 2218, 3562, 3836, 4436, 7124, 7672, 7763, 8872, 12467, 14248, 14417, 15344, 15526, 17744, 24934, 28496, 28834, 31052, 49868, 57668, 62104, 99736, 100919, 115336, 124208, 151933, 199472, 201838, 230672, 303866, 403676, 607732, 807352, 1063531, 1215464, 1614704, 1975129, 2127062, 2430928, 3950258, 4254124, 7900516, 8508248, 13825903, 15801032, 17016496, 27651806, 31602064, 55303612, 110607224, 221214448]

約数ペア:

[(1, 221214448), (2, 110607224), (4, 55303612), (7, 31602064), (8, 27651806), (13, 17016496), (14, 15801032), (16, 13825903), (26, 8508248), (28, 7900516), (52, 4254124), (56, 3950258), (91, 2430928), (104, 2127062), (112, 1975129), (137, 1614704), (182, 1215464), (208, 1063531), (274, 807352), (364, 607732), (548, 403676), (728, 303866), (959, 230672), (1096, 201838), (1109, 199472), (1456, 151933), (1781, 124208), (1918, 115336), (2192, 100919), (2218, 99736), (3562, 62104), (3836, 57668), (4436, 49868), (7124, 31052), (7672, 28834), (7763, 28496), (8872, 24934), (12467, 17744), (14248, 15526), (14417, 15344)]