279382974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 625121280

約数和(自身を除く): 345738306

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 227, 403, 454, 509, 681, 806, 1018, 1209, 1362, 1527, 2418, 2951, 3054, 5902, 6617, 7037, 8853, 13234, 14074, 15779, 17706, 19851, 21111, 31558, 39702, 42222, 47337, 91481, 94674, 115543, 182962, 205127, 231086, 274443, 346629, 410254, 548886, 615381, 693258, 1230762, 1502059, 3004118, 3581833, 4506177, 7163666, 9012354, 10745499, 21490998, 46563829, 93127658, 139691487, 279382974]

約数ペア:

[(1, 279382974), (2, 139691487), (3, 93127658), (6, 46563829), (13, 21490998), (26, 10745499), (31, 9012354), (39, 7163666), (62, 4506177), (78, 3581833), (93, 3004118), (186, 1502059), (227, 1230762), (403, 693258), (454, 615381), (509, 548886), (681, 410254), (806, 346629), (1018, 274443), (1209, 231086), (1362, 205127), (1527, 182962), (2418, 115543), (2951, 94674), (3054, 91481), (5902, 47337), (6617, 42222), (7037, 39702), (8853, 31558), (13234, 21111), (14074, 19851), (15779, 17706)]