140671232

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 309739584

約数和(自身を除く): 169068352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 559, 688, 832, 983, 1118, 1376, 1664, 1966, 2236, 2752, 3328, 3932, 4472, 5504, 7864, 8944, 11008, 12779, 15728, 17888, 25558, 31456, 35776, 42269, 51116, 62912, 71552, 84538, 102232, 125824, 143104, 169076, 204464, 251648, 338152, 408928, 549497, 676304, 817856, 1098994, 1352608, 1635712, 2197988, 2705216, 3271424, 4395976, 5410432, 8791952, 10820864, 17583904, 35167808, 70335616, 140671232]

約数ペア:

[(1, 140671232), (2, 70335616), (4, 35167808), (8, 17583904), (13, 10820864), (16, 8791952), (26, 5410432), (32, 4395976), (43, 3271424), (52, 2705216), (64, 2197988), (86, 1635712), (104, 1352608), (128, 1098994), (172, 817856), (208, 676304), (256, 549497), (344, 408928), (416, 338152), (559, 251648), (688, 204464), (832, 169076), (983, 143104), (1118, 125824), (1376, 102232), (1664, 84538), (1966, 71552), (2236, 62912), (2752, 51116), (3328, 42269), (3932, 35776), (4472, 31456), (5504, 25558), (7864, 17888), (8944, 15728), (11008, 12779)]