15816138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 35366688

約数和(自身を除く): 19550550

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 211, 403, 422, 633, 806, 961, 1209, 1266, 1922, 2418, 2743, 2883, 5486, 5766, 6541, 8229, 12493, 13082, 16458, 19623, 24986, 37479, 39246, 74958, 85033, 170066, 202771, 255099, 405542, 510198, 608313, 1216626, 2636023, 5272046, 7908069, 15816138]

約数ペア:

[(1, 15816138), (2, 7908069), (3, 5272046), (6, 2636023), (13, 1216626), (26, 608313), (31, 510198), (39, 405542), (62, 255099), (78, 202771), (93, 170066), (186, 85033), (211, 74958), (403, 39246), (422, 37479), (633, 24986), (806, 19623), (961, 16458), (1209, 13082), (1266, 12493), (1922, 8229), (2418, 6541), (2743, 5766), (2883, 5486)]