221784416

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 555770880

約数和(自身を除く): 333986464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 41, 56, 62, 76, 82, 112, 124, 133, 152, 164, 217, 224, 248, 266, 287, 304, 328, 434, 496, 532, 574, 589, 608, 656, 779, 868, 992, 1064, 1148, 1178, 1271, 1312, 1558, 1681, 1736, 2128, 2296, 2356, 2542, 3116, 3362, 3472, 4123, 4256, 4592, 4712, 5084, 5453, 6232, 6724, 6944, 8246, 8897, 9184, 9424, 10168, 10906, 11767, 12464, 13448, 16492, 17794, 18848, 20336, 21812, 23534, 24149, 24928, 26896, 31939, 32984, 35588, 40672, 43624, 47068, 48298, 52111, 53792, 63878, 65968, 71176, 87248, 94136, 96596, 104222, 127756, 131936, 142352, 169043, 174496, 188272, 193192, 208444, 223573, 255512, 284704, 338086, 364777, 376544, 386384, 416888, 447146, 511024, 676172, 729554, 772768, 833776, 894292, 990109, 1022048, 1352344, 1459108, 1667552, 1788584, 1980218, 2704688, 2918216, 3577168, 3960436, 5409376, 5836432, 6930763, 7154336, 7920872, 11672864, 13861526, 15841744, 27723052, 31683488, 55446104, 110892208, 221784416]

約数ペア:

[(1, 221784416), (2, 110892208), (4, 55446104), (7, 31683488), (8, 27723052), (14, 15841744), (16, 13861526), (19, 11672864), (28, 7920872), (31, 7154336), (32, 6930763), (38, 5836432), (41, 5409376), (56, 3960436), (62, 3577168), (76, 2918216), (82, 2704688), (112, 1980218), (124, 1788584), (133, 1667552), (152, 1459108), (164, 1352344), (217, 1022048), (224, 990109), (248, 894292), (266, 833776), (287, 772768), (304, 729554), (328, 676172), (434, 511024), (496, 447146), (532, 416888), (574, 386384), (589, 376544), (608, 364777), (656, 338086), (779, 284704), (868, 255512), (992, 223573), (1064, 208444), (1148, 193192), (1178, 188272), (1271, 174496), (1312, 169043), (1558, 142352), (1681, 131936), (1736, 127756), (2128, 104222), (2296, 96596), (2356, 94136), (2542, 87248), (3116, 71176), (3362, 65968), (3472, 63878), (4123, 53792), (4256, 52111), (4592, 48298), (4712, 47068), (5084, 43624), (5453, 40672), (6232, 35588), (6724, 32984), (6944, 31939), (8246, 26896), (8897, 24928), (9184, 24149), (9424, 23534), (10168, 21812), (10906, 20336), (11767, 18848), (12464, 17794), (13448, 16492)]