254554144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19739}}^1$

素因数の和:19793

約数の個数: 48

約数和(自身を含む): 557141760

約数和(自身を除く): 302587616

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 19739, 39478, 78956, 157912, 256607, 315824, 513214, 611909, 631648, 1026428, 1223818, 2052856, 2447636, 4105712, 4895272, 7954817, 8211424, 9790544, 15909634, 19581088, 31819268, 63638536, 127277072, 254554144]

約数ペア:

[(1, 254554144), (2, 127277072), (4, 63638536), (8, 31819268), (13, 19581088), (16, 15909634), (26, 9790544), (31, 8211424), (32, 7954817), (52, 4895272), (62, 4105712), (104, 2447636), (124, 2052856), (208, 1223818), (248, 1026428), (403, 631648), (416, 611909), (496, 513214), (806, 315824), (992, 256607), (1612, 157912), (3224, 78956), (6448, 39478), (12896, 19739)]