231811552

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 579156480

約数和(自身を除く): 347344928

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 196, 217, 224, 248, 251, 266, 304, 392, 434, 496, 502, 532, 589, 608, 784, 868, 931, 992, 1004, 1064, 1178, 1519, 1568, 1736, 1757, 1862, 2008, 2128, 2356, 3038, 3472, 3514, 3724, 4016, 4123, 4256, 4712, 4769, 6076, 6944, 7028, 7448, 7781, 8032, 8246, 9424, 9538, 12152, 12299, 14056, 14896, 15562, 16492, 18848, 19076, 24304, 24598, 28112, 28861, 29792, 31124, 32984, 33383, 38152, 48608, 49196, 54467, 56224, 57722, 62248, 65968, 66766, 76304, 98392, 108934, 115444, 124496, 131936, 133532, 147839, 152608, 196784, 217868, 230888, 233681, 248992, 267064, 295678, 381269, 393568, 435736, 461776, 467362, 534128, 591356, 762538, 871472, 923552, 934724, 1034873, 1068256, 1182712, 1525076, 1742944, 1869448, 2069746, 2365424, 3050152, 3738896, 4139492, 4730848, 6100304, 7244111, 7477792, 8278984, 12200608, 14488222, 16557968, 28976444, 33115936, 57952888, 115905776, 231811552]

約数ペア:

[(1, 231811552), (2, 115905776), (4, 57952888), (7, 33115936), (8, 28976444), (14, 16557968), (16, 14488222), (19, 12200608), (28, 8278984), (31, 7477792), (32, 7244111), (38, 6100304), (49, 4730848), (56, 4139492), (62, 3738896), (76, 3050152), (98, 2365424), (112, 2069746), (124, 1869448), (133, 1742944), (152, 1525076), (196, 1182712), (217, 1068256), (224, 1034873), (248, 934724), (251, 923552), (266, 871472), (304, 762538), (392, 591356), (434, 534128), (496, 467362), (502, 461776), (532, 435736), (589, 393568), (608, 381269), (784, 295678), (868, 267064), (931, 248992), (992, 233681), (1004, 230888), (1064, 217868), (1178, 196784), (1519, 152608), (1568, 147839), (1736, 133532), (1757, 131936), (1862, 124496), (2008, 115444), (2128, 108934), (2356, 98392), (3038, 76304), (3472, 66766), (3514, 65968), (3724, 62248), (4016, 57722), (4123, 56224), (4256, 54467), (4712, 49196), (4769, 48608), (6076, 38152), (6944, 33383), (7028, 32984), (7448, 31124), (7781, 29792), (8032, 28861), (8246, 28112), (9424, 24598), (9538, 24304), (12152, 19076), (12299, 18848), (14056, 16492), (14896, 15562)]