2191520656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{1747}}^1$

素因数の和:1968

約数の個数: 80

約数和(自身を含む): 4727794624

約数和(自身を除く): 2536273968

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 163, 208, 296, 326, 481, 592, 652, 962, 1304, 1747, 1924, 2119, 2608, 3494, 3848, 4238, 6031, 6988, 7696, 8476, 12062, 13976, 16952, 22711, 24124, 27952, 33904, 45422, 48248, 64639, 78403, 90844, 96496, 129278, 156806, 181688, 258556, 284761, 313612, 363376, 517112, 569522, 627224, 840307, 1034224, 1139044, 1254448, 1680614, 2278088, 3361228, 3701893, 4556176, 6722456, 7403786, 10536157, 13444912, 14807572, 21072314, 29615144, 42144628, 59230288, 84289256, 136970041, 168578512, 273940082, 547880164, 1095760328, 2191520656]

約数ペア:

[(1, 2191520656), (2, 1095760328), (4, 547880164), (8, 273940082), (13, 168578512), (16, 136970041), (26, 84289256), (37, 59230288), (52, 42144628), (74, 29615144), (104, 21072314), (148, 14807572), (163, 13444912), (208, 10536157), (296, 7403786), (326, 6722456), (481, 4556176), (592, 3701893), (652, 3361228), (962, 2278088), (1304, 1680614), (1747, 1254448), (1924, 1139044), (2119, 1034224), (2608, 840307), (3494, 627224), (3848, 569522), (4238, 517112), (6031, 363376), (6988, 313612), (7696, 284761), (8476, 258556), (12062, 181688), (13976, 156806), (16952, 129278), (22711, 96496), (24124, 90844), (27952, 78403), (33904, 64639), (45422, 48248)]