858643828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{4139}}^1$

素因数の和:4420

約数の個数: 48

約数和(自身を含む): 1780531200

約数和(自身を除く): 921887372

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 239, 434, 478, 868, 956, 1673, 3346, 4139, 6692, 7409, 8278, 14818, 16556, 28973, 29636, 51863, 57946, 103726, 115892, 128309, 207452, 256618, 513236, 898163, 989221, 1796326, 1978442, 3592652, 3956884, 6924547, 13849094, 27698188, 30665851, 61331702, 122663404, 214660957, 429321914, 858643828]

約数ペア:

[(1, 858643828), (2, 429321914), (4, 214660957), (7, 122663404), (14, 61331702), (28, 30665851), (31, 27698188), (62, 13849094), (124, 6924547), (217, 3956884), (239, 3592652), (434, 1978442), (478, 1796326), (868, 989221), (956, 898163), (1673, 513236), (3346, 256618), (4139, 207452), (6692, 128309), (7409, 115892), (8278, 103726), (14818, 57946), (16556, 51863), (28973, 29636)]