221877292

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:168

約数の個数: 108

約数和(自身を含む): 511766976

約数和(自身を除く): 289889684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 53, 62, 91, 98, 106, 124, 182, 196, 212, 217, 364, 371, 403, 434, 637, 689, 742, 806, 868, 1274, 1378, 1484, 1519, 1612, 1643, 2548, 2597, 2756, 2809, 2821, 3038, 3286, 4823, 5194, 5618, 5642, 6076, 6572, 9646, 10388, 11236, 11284, 11501, 19292, 19663, 19747, 21359, 23002, 33761, 36517, 39326, 39494, 42718, 46004, 67522, 73034, 78652, 78988, 80507, 85436, 87079, 135044, 137641, 146068, 149513, 161014, 174158, 255619, 275282, 299026, 322028, 348316, 511238, 550564, 598052, 609553, 1022476, 1046591, 1132027, 1219106, 1789333, 2093182, 2264054, 2438212, 3578666, 4186364, 4266871, 4528108, 7157332, 7924189, 8533742, 15848378, 17067484, 31696756, 55469323, 110938646, 221877292]

約数ペア:

[(1, 221877292), (2, 110938646), (4, 55469323), (7, 31696756), (13, 17067484), (14, 15848378), (26, 8533742), (28, 7924189), (31, 7157332), (49, 4528108), (52, 4266871), (53, 4186364), (62, 3578666), (91, 2438212), (98, 2264054), (106, 2093182), (124, 1789333), (182, 1219106), (196, 1132027), (212, 1046591), (217, 1022476), (364, 609553), (371, 598052), (403, 550564), (434, 511238), (637, 348316), (689, 322028), (742, 299026), (806, 275282), (868, 255619), (1274, 174158), (1378, 161014), (1484, 149513), (1519, 146068), (1612, 137641), (1643, 135044), (2548, 87079), (2597, 85436), (2756, 80507), (2809, 78988), (2821, 78652), (3038, 73034), (3286, 67522), (4823, 46004), (5194, 42718), (5618, 39494), (5642, 39326), (6076, 36517), (6572, 33761), (9646, 23002), (10388, 21359), (11236, 19747), (11284, 19663), (11501, 19292)]