81903302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 137432064

約数和(自身を除く): 55528762

約数列:

[1, 2, 13, 26, 31, 62, 307, 331, 403, 614, 662, 806, 3991, 4303, 7982, 8606, 9517, 10261, 19034, 20522, 101617, 123721, 133393, 203234, 247442, 266786, 1321021, 2642042, 3150127, 6300254, 40951651, 81903302]

約数ペア:

[(1, 81903302), (2, 40951651), (13, 6300254), (26, 3150127), (31, 2642042), (62, 1321021), (307, 266786), (331, 247442), (403, 203234), (614, 133393), (662, 123721), (806, 101617), (3991, 20522), (4303, 19034), (7982, 10261), (8606, 9517)]