161999552

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 112

約数和(自身を含む): 390534144

約数和(自身を除く): 228534592

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 143, 176, 208, 248, 286, 341, 352, 403, 416, 496, 571, 572, 682, 704, 806, 832, 992, 1142, 1144, 1364, 1612, 1984, 2284, 2288, 2728, 3224, 4433, 4568, 4576, 5456, 6281, 6448, 7423, 8866, 9136, 9152, 10912, 12562, 12896, 14846, 17701, 17732, 18272, 21824, 25124, 25792, 29692, 35402, 35464, 36544, 50248, 59384, 70804, 70928, 81653, 100496, 118768, 141608, 141856, 163306, 194711, 200992, 230113, 237536, 283216, 283712, 326612, 389422, 401984, 460226, 475072, 566432, 653224, 778844, 920452, 1132864, 1306448, 1557688, 1840904, 2531243, 2612896, 3115376, 3681808, 5062486, 5225792, 6230752, 7363616, 10124972, 12461504, 14727232, 20249944, 40499888, 80999776, 161999552]

約数ペア:

[(1, 161999552), (2, 80999776), (4, 40499888), (8, 20249944), (11, 14727232), (13, 12461504), (16, 10124972), (22, 7363616), (26, 6230752), (31, 5225792), (32, 5062486), (44, 3681808), (52, 3115376), (62, 2612896), (64, 2531243), (88, 1840904), (104, 1557688), (124, 1306448), (143, 1132864), (176, 920452), (208, 778844), (248, 653224), (286, 566432), (341, 475072), (352, 460226), (403, 401984), (416, 389422), (496, 326612), (571, 283712), (572, 283216), (682, 237536), (704, 230113), (806, 200992), (832, 194711), (992, 163306), (1142, 141856), (1144, 141608), (1364, 118768), (1612, 100496), (1984, 81653), (2284, 70928), (2288, 70804), (2728, 59384), (3224, 50248), (4433, 36544), (4568, 35464), (4576, 35402), (5456, 29692), (6281, 25792), (6448, 25124), (7423, 21824), (8866, 18272), (9136, 17732), (9152, 17701), (10912, 14846), (12562, 12896)]