3964688

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:424

約数の個数: 60

約数和(自身を含む): 9647820

約数和(自身を除く): 5683132

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 389, 392, 637, 728, 778, 784, 1274, 1456, 1556, 2548, 2723, 3112, 5057, 5096, 5446, 6224, 10114, 10192, 10892, 19061, 20228, 21784, 35399, 38122, 40456, 43568, 70798, 76244, 80912, 141596, 152488, 247793, 283192, 304976, 495586, 566384, 991172, 1982344, 3964688]

約数ペア:

[(1, 3964688), (2, 1982344), (4, 991172), (7, 566384), (8, 495586), (13, 304976), (14, 283192), (16, 247793), (26, 152488), (28, 141596), (49, 80912), (52, 76244), (56, 70798), (91, 43568), (98, 40456), (104, 38122), (112, 35399), (182, 21784), (196, 20228), (208, 19061), (364, 10892), (389, 10192), (392, 10114), (637, 6224), (728, 5446), (778, 5096), (784, 5057), (1274, 3112), (1456, 2723), (1556, 2548)]