221278992

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 120

約数和(自身を含む): 649125120

約数和(自身を除く): 427846128

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 121, 124, 132, 176, 186, 242, 248, 264, 341, 363, 372, 484, 496, 528, 682, 726, 744, 968, 1023, 1229, 1364, 1452, 1488, 1936, 2046, 2458, 2728, 2904, 3687, 3751, 4092, 4916, 5456, 5808, 7374, 7502, 8184, 9832, 11253, 13519, 14748, 15004, 16368, 19664, 22506, 27038, 29496, 30008, 38099, 40557, 45012, 54076, 58992, 60016, 76198, 81114, 90024, 108152, 114297, 148709, 152396, 162228, 180048, 216304, 228594, 297418, 304792, 324456, 419089, 446127, 457188, 594836, 609584, 648912, 838178, 892254, 914376, 1189672, 1257267, 1676356, 1784508, 1828752, 2379344, 2514534, 3352712, 3569016, 4609979, 5029068, 6705424, 7138032, 9219958, 10058136, 13829937, 18439916, 20116272, 27659874, 36879832, 55319748, 73759664, 110639496, 221278992]

約数ペア:

[(1, 221278992), (2, 110639496), (3, 73759664), (4, 55319748), (6, 36879832), (8, 27659874), (11, 20116272), (12, 18439916), (16, 13829937), (22, 10058136), (24, 9219958), (31, 7138032), (33, 6705424), (44, 5029068), (48, 4609979), (62, 3569016), (66, 3352712), (88, 2514534), (93, 2379344), (121, 1828752), (124, 1784508), (132, 1676356), (176, 1257267), (186, 1189672), (242, 914376), (248, 892254), (264, 838178), (341, 648912), (363, 609584), (372, 594836), (484, 457188), (496, 446127), (528, 419089), (682, 324456), (726, 304792), (744, 297418), (968, 228594), (1023, 216304), (1229, 180048), (1364, 162228), (1452, 152396), (1488, 148709), (1936, 114297), (2046, 108152), (2458, 90024), (2728, 81114), (2904, 76198), (3687, 60016), (3751, 58992), (4092, 54076), (4916, 45012), (5456, 40557), (5808, 38099), (7374, 30008), (7502, 29496), (8184, 27038), (9832, 22506), (11253, 19664), (13519, 16368), (14748, 15004)]