131283712

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 304654112

約数和(自身を除く): 173370400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1201, 1708, 1792, 1952, 2402, 3416, 3904, 4804, 6832, 7808, 8407, 9608, 13664, 15616, 16814, 19216, 27328, 33628, 38432, 54656, 67256, 73261, 76864, 109312, 134512, 146522, 153728, 269024, 293044, 307456, 512827, 538048, 586088, 1025654, 1076096, 1172176, 2051308, 2152192, 2344352, 4102616, 4688704, 8205232, 9377408, 16410464, 18754816, 32820928, 65641856, 131283712]

約数ペア:

[(1, 131283712), (2, 65641856), (4, 32820928), (7, 18754816), (8, 16410464), (14, 9377408), (16, 8205232), (28, 4688704), (32, 4102616), (56, 2344352), (61, 2152192), (64, 2051308), (112, 1172176), (122, 1076096), (128, 1025654), (224, 586088), (244, 538048), (256, 512827), (427, 307456), (448, 293044), (488, 269024), (854, 153728), (896, 146522), (976, 134512), (1201, 109312), (1708, 76864), (1792, 73261), (1952, 67256), (2402, 54656), (3416, 38432), (3904, 33628), (4804, 27328), (6832, 19216), (7808, 16814), (8407, 15616), (9608, 13664)]