421655668

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{1427}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 862694784

約数和(自身を除く): 441039116

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 173, 244, 346, 427, 692, 854, 1211, 1427, 1708, 2422, 2854, 4844, 5708, 9989, 10553, 19978, 21106, 39956, 42212, 73871, 87047, 147742, 174094, 246871, 295484, 348188, 493742, 609329, 987484, 1218658, 1728097, 2437316, 3456194, 6912388, 15059131, 30118262, 60236524, 105413917, 210827834, 421655668]

約数ペア:

[(1, 421655668), (2, 210827834), (4, 105413917), (7, 60236524), (14, 30118262), (28, 15059131), (61, 6912388), (122, 3456194), (173, 2437316), (244, 1728097), (346, 1218658), (427, 987484), (692, 609329), (854, 493742), (1211, 348188), (1427, 295484), (1708, 246871), (2422, 174094), (2854, 147742), (4844, 87047), (5708, 73871), (9989, 42212), (10553, 39956), (19978, 21106)]