131213824

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1237

約数の個数: 80

約数和(自身を含む): 309551616

約数和(自身を除く): 178337792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1181, 1736, 1792, 1984, 2362, 3472, 3584, 3968, 4724, 6944, 7936, 8267, 9448, 13888, 15872, 16534, 18896, 27776, 33068, 36611, 37792, 55552, 66136, 73222, 75584, 111104, 132272, 146444, 151168, 256277, 264544, 292888, 302336, 512554, 529088, 585776, 604672, 1025108, 1058176, 1171552, 2050216, 2116352, 2343104, 4100432, 4232704, 4686208, 8200864, 9372416, 16401728, 18744832, 32803456, 65606912, 131213824]

約数ペア:

[(1, 131213824), (2, 65606912), (4, 32803456), (7, 18744832), (8, 16401728), (14, 9372416), (16, 8200864), (28, 4686208), (31, 4232704), (32, 4100432), (56, 2343104), (62, 2116352), (64, 2050216), (112, 1171552), (124, 1058176), (128, 1025108), (217, 604672), (224, 585776), (248, 529088), (256, 512554), (434, 302336), (448, 292888), (496, 264544), (512, 256277), (868, 151168), (896, 146444), (992, 132272), (1181, 111104), (1736, 75584), (1792, 73222), (1984, 66136), (2362, 55552), (3472, 37792), (3584, 36611), (3968, 33068), (4724, 27776), (6944, 18896), (7936, 16534), (8267, 15872), (9448, 13888)]