28459004

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 62052480

約数和(自身を除く): 33593476

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 59, 92, 98, 107, 118, 161, 196, 214, 236, 322, 413, 428, 644, 749, 826, 1127, 1357, 1498, 1652, 2254, 2461, 2714, 2891, 2996, 4508, 4922, 5243, 5428, 5782, 6313, 9499, 9844, 10486, 11564, 12626, 17227, 18998, 20972, 25252, 34454, 37996, 44191, 66493, 68908, 88382, 120589, 132986, 145199, 176764, 241178, 265972, 290398, 309337, 482356, 580796, 618674, 1016393, 1237348, 2032786, 4065572, 7114751, 14229502, 28459004]

約数ペア:

[(1, 28459004), (2, 14229502), (4, 7114751), (7, 4065572), (14, 2032786), (23, 1237348), (28, 1016393), (46, 618674), (49, 580796), (59, 482356), (92, 309337), (98, 290398), (107, 265972), (118, 241178), (161, 176764), (196, 145199), (214, 132986), (236, 120589), (322, 88382), (413, 68908), (428, 66493), (644, 44191), (749, 37996), (826, 34454), (1127, 25252), (1357, 20972), (1498, 18998), (1652, 17227), (2254, 12626), (2461, 11564), (2714, 10486), (2891, 9844), (2996, 9499), (4508, 6313), (4922, 5782), (5243, 5428)]