281049104

素因数分解:

$2^4\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2579}}^1$

素因数の和:2740

約数の個数: 60

約数和(自身を含む): 638240400

約数和(自身を除く): 357191296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 139, 196, 278, 392, 556, 784, 973, 1112, 1946, 2224, 2579, 3892, 5158, 6811, 7784, 10316, 13622, 15568, 18053, 20632, 27244, 36106, 41264, 54488, 72212, 108976, 126371, 144424, 252742, 288848, 358481, 505484, 716962, 1010968, 1433924, 2021936, 2509367, 2867848, 5018734, 5735696, 10037468, 17565569, 20074936, 35131138, 40149872, 70262276, 140524552, 281049104]

約数ペア:

[(1, 281049104), (2, 140524552), (4, 70262276), (7, 40149872), (8, 35131138), (14, 20074936), (16, 17565569), (28, 10037468), (49, 5735696), (56, 5018734), (98, 2867848), (112, 2509367), (139, 2021936), (196, 1433924), (278, 1010968), (392, 716962), (556, 505484), (784, 358481), (973, 288848), (1112, 252742), (1946, 144424), (2224, 126371), (2579, 108976), (3892, 72212), (5158, 54488), (6811, 41264), (7784, 36106), (10316, 27244), (13622, 20632), (15568, 18053)]