31831296

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 100466688

約数和(自身を除く): 68635392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 191, 192, 217, 224, 248, 256, 336, 372, 382, 384, 434, 448, 496, 573, 651, 672, 744, 764, 768, 868, 896, 992, 1146, 1302, 1337, 1344, 1488, 1528, 1736, 1792, 1984, 2292, 2604, 2674, 2688, 2976, 3056, 3472, 3968, 4011, 4584, 5208, 5348, 5376, 5921, 5952, 6112, 6944, 7936, 8022, 9168, 10416, 10696, 11842, 11904, 12224, 13888, 16044, 17763, 18336, 20832, 21392, 23684, 23808, 24448, 27776, 32088, 35526, 36672, 41447, 41664, 42784, 47368, 48896, 55552, 64176, 71052, 73344, 82894, 83328, 85568, 94736, 124341, 128352, 142104, 146688, 165788, 166656, 171136, 189472, 248682, 256704, 284208, 331576, 342272, 378944, 497364, 513408, 568416, 663152, 757888, 994728, 1026816, 1136832, 1326304, 1515776, 1989456, 2273664, 2652608, 3978912, 4547328, 5305216, 7957824, 10610432, 15915648, 31831296]

約数ペア:

[(1, 31831296), (2, 15915648), (3, 10610432), (4, 7957824), (6, 5305216), (7, 4547328), (8, 3978912), (12, 2652608), (14, 2273664), (16, 1989456), (21, 1515776), (24, 1326304), (28, 1136832), (31, 1026816), (32, 994728), (42, 757888), (48, 663152), (56, 568416), (62, 513408), (64, 497364), (84, 378944), (93, 342272), (96, 331576), (112, 284208), (124, 256704), (128, 248682), (168, 189472), (186, 171136), (191, 166656), (192, 165788), (217, 146688), (224, 142104), (248, 128352), (256, 124341), (336, 94736), (372, 85568), (382, 83328), (384, 82894), (434, 73344), (448, 71052), (496, 64176), (573, 55552), (651, 48896), (672, 47368), (744, 42784), (764, 41664), (768, 41447), (868, 36672), (896, 35526), (992, 32088), (1146, 27776), (1302, 24448), (1337, 23808), (1344, 23684), (1488, 21392), (1528, 20832), (1736, 18336), (1792, 17763), (1984, 16044), (2292, 13888), (2604, 12224), (2674, 11904), (2688, 11842), (2976, 10696), (3056, 10416), (3472, 9168), (3968, 8022), (4011, 7936), (4584, 6944), (5208, 6112), (5348, 5952), (5376, 5921)]