25457572

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 53186560

約数和(自身を除く): 27728988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 139, 211, 217, 278, 422, 434, 556, 844, 868, 973, 1477, 1946, 2954, 3892, 4309, 5908, 6541, 8618, 13082, 17236, 26164, 29329, 30163, 45787, 58658, 60326, 91574, 117316, 120652, 183148, 205303, 410606, 821212, 909199, 1818398, 3636796, 6364393, 12728786, 25457572]

約数ペア:

[(1, 25457572), (2, 12728786), (4, 6364393), (7, 3636796), (14, 1818398), (28, 909199), (31, 821212), (62, 410606), (124, 205303), (139, 183148), (211, 120652), (217, 117316), (278, 91574), (422, 60326), (434, 58658), (556, 45787), (844, 30163), (868, 29329), (973, 26164), (1477, 17236), (1946, 13082), (2954, 8618), (3892, 6541), (4309, 5908)]