399587552

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19603}}^1$

素因数の和:19640

約数の個数: 72

約数和(自身を含む): 985571496

約数和(自身を除く): 585983944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 19603, 20384, 39206, 78412, 137221, 156824, 254839, 274442, 313648, 509678, 548884, 627296, 960547, 1019356, 1097768, 1783873, 1921094, 2038712, 2195536, 3567746, 3842188, 4077424, 4391072, 7135492, 7684376, 8154848, 12487111, 14270984, 15368752, 24974222, 28541968, 30737504, 49948444, 57083936, 99896888, 199793776, 399587552]

約数ペア:

[(1, 399587552), (2, 199793776), (4, 99896888), (7, 57083936), (8, 49948444), (13, 30737504), (14, 28541968), (16, 24974222), (26, 15368752), (28, 14270984), (32, 12487111), (49, 8154848), (52, 7684376), (56, 7135492), (91, 4391072), (98, 4077424), (104, 3842188), (112, 3567746), (182, 2195536), (196, 2038712), (208, 1921094), (224, 1783873), (364, 1097768), (392, 1019356), (416, 960547), (637, 627296), (728, 548884), (784, 509678), (1274, 313648), (1456, 274442), (1568, 254839), (2548, 156824), (2912, 137221), (5096, 78412), (10192, 39206), (19603, 20384)]