215721366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{11239}}^1$

素因数の和:11708

約数の個数: 32

約数和(自身を含む): 494200320

約数和(自身を除く): 278478954

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1371, 2742, 3199, 6398, 9597, 11239, 19194, 22478, 33717, 67434, 78673, 157346, 236019, 472038, 5136223, 10272446, 15408669, 30817338, 35953561, 71907122, 107860683, 215721366]

約数ペア:

[(1, 215721366), (2, 107860683), (3, 71907122), (6, 35953561), (7, 30817338), (14, 15408669), (21, 10272446), (42, 5136223), (457, 472038), (914, 236019), (1371, 157346), (2742, 78673), (3199, 67434), (6398, 33717), (9597, 22478), (11239, 19194)]