28089951

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 40473600

約数和(自身を除く): 12383649

約数列:

[1, 3, 29, 61, 67, 79, 87, 183, 201, 237, 1769, 1943, 2291, 4087, 4819, 5293, 5307, 5829, 6873, 12261, 14457, 15879, 118523, 139751, 153497, 322873, 355569, 419253, 460491, 968619, 9363317, 28089951]

約数ペア:

[(1, 28089951), (3, 9363317), (29, 968619), (61, 460491), (67, 419253), (79, 355569), (87, 322873), (183, 153497), (201, 139751), (237, 118523), (1769, 15879), (1943, 14457), (2291, 12261), (4087, 6873), (4819, 5829), (5293, 5307)]