217931928

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 556416000

約数和(自身を除く): 338484072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 137, 158, 237, 274, 316, 411, 474, 548, 632, 822, 839, 948, 1096, 1644, 1678, 1896, 2517, 3288, 3356, 5034, 6712, 10068, 10823, 20136, 21646, 32469, 43292, 64938, 66281, 86584, 114943, 129876, 132562, 198843, 229886, 259752, 265124, 344829, 397686, 459772, 530248, 689658, 795372, 919544, 1379316, 1590744, 2758632, 9080497, 18160994, 27241491, 36321988, 54482982, 72643976, 108965964, 217931928]

約数ペア:

[(1, 217931928), (2, 108965964), (3, 72643976), (4, 54482982), (6, 36321988), (8, 27241491), (12, 18160994), (24, 9080497), (79, 2758632), (137, 1590744), (158, 1379316), (237, 919544), (274, 795372), (316, 689658), (411, 530248), (474, 459772), (548, 397686), (632, 344829), (822, 265124), (839, 259752), (948, 229886), (1096, 198843), (1644, 132562), (1678, 129876), (1896, 114943), (2517, 86584), (3288, 66281), (3356, 64938), (5034, 43292), (6712, 32469), (10068, 21646), (10823, 20136)]