1971657815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1\times {\mathrm{673}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 2511032832

約数和(自身を除く): 539375017

約数列:

[1, 5, 31, 41, 155, 205, 461, 673, 1271, 2305, 3365, 6355, 14291, 18901, 20863, 27593, 71455, 94505, 104315, 137965, 310253, 585931, 855383, 1551265, 2929655, 4276915, 9617843, 12720373, 48089215, 63601865, 394331563, 1971657815]

約数ペア:

[(1, 1971657815), (5, 394331563), (31, 63601865), (41, 48089215), (155, 12720373), (205, 9617843), (461, 4276915), (673, 2929655), (1271, 1551265), (2305, 855383), (3365, 585931), (6355, 310253), (14291, 137965), (18901, 104315), (20863, 94505), (27593, 71455)]