139778548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 306620160

約数和(自身を除く): 166841612

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 169, 182, 218, 271, 338, 364, 436, 542, 676, 763, 1084, 1183, 1417, 1526, 1897, 2366, 2834, 3052, 3523, 3794, 4732, 5668, 7046, 7588, 9919, 14092, 18421, 19838, 24661, 29539, 36842, 39676, 45799, 49322, 59078, 73684, 91598, 98644, 118156, 128947, 183196, 206773, 257894, 320593, 384007, 413546, 515788, 641186, 768014, 827092, 1282372, 1536028, 2688049, 4992091, 5376098, 9984182, 10752196, 19968364, 34944637, 69889274, 139778548]

約数ペア:

[(1, 139778548), (2, 69889274), (4, 34944637), (7, 19968364), (13, 10752196), (14, 9984182), (26, 5376098), (28, 4992091), (52, 2688049), (91, 1536028), (109, 1282372), (169, 827092), (182, 768014), (218, 641186), (271, 515788), (338, 413546), (364, 384007), (436, 320593), (542, 257894), (676, 206773), (763, 183196), (1084, 128947), (1183, 118156), (1417, 98644), (1526, 91598), (1897, 73684), (2366, 59078), (2834, 49322), (3052, 45799), (3523, 39676), (3794, 36842), (4732, 29539), (5668, 24661), (7046, 19838), (7588, 18421), (9919, 14092)]