388611258

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{18617}}^1$

素因数の和:18707

約数の個数: 48

約数和(自身を含む): 916899264

約数和(自身を除く): 528288006

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 994, 1491, 2982, 3479, 6958, 10437, 18617, 20874, 37234, 55851, 111702, 130319, 260638, 390957, 781914, 912233, 1321807, 1824466, 2643614, 2736699, 3965421, 5473398, 7930842, 9252649, 18505298, 27757947, 55515894, 64768543, 129537086, 194305629, 388611258]

約数ペア:

[(1, 388611258), (2, 194305629), (3, 129537086), (6, 64768543), (7, 55515894), (14, 27757947), (21, 18505298), (42, 9252649), (49, 7930842), (71, 5473398), (98, 3965421), (142, 2736699), (147, 2643614), (213, 1824466), (294, 1321807), (426, 912233), (497, 781914), (994, 390957), (1491, 260638), (2982, 130319), (3479, 111702), (6958, 55851), (10437, 37234), (18617, 20874)]