25570412

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 53544960

約数和(自身を除く): 27974548

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 124, 178, 217, 331, 356, 434, 623, 662, 868, 1246, 1324, 2317, 2492, 2759, 4634, 5518, 9268, 10261, 11036, 19313, 20522, 29459, 38626, 41044, 58918, 71827, 77252, 117836, 143654, 206213, 287308, 412426, 824852, 913229, 1826458, 3652916, 6392603, 12785206, 25570412]

約数ペア:

[(1, 25570412), (2, 12785206), (4, 6392603), (7, 3652916), (14, 1826458), (28, 913229), (31, 824852), (62, 412426), (89, 287308), (124, 206213), (178, 143654), (217, 117836), (331, 77252), (356, 71827), (434, 58918), (623, 41044), (662, 38626), (868, 29459), (1246, 20522), (1324, 19313), (2317, 11036), (2492, 10261), (2759, 9268), (4634, 5518)]