39889408

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:505

約数の個数: 60

約数和(自身を含む): 86490558

約数和(自身を除く): 46601150

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 461, 512, 676, 832, 922, 1352, 1664, 1844, 2704, 3328, 3688, 5408, 5993, 6656, 7376, 10816, 11986, 14752, 21632, 23972, 29504, 43264, 47944, 59008, 77909, 86528, 95888, 118016, 155818, 191776, 236032, 311636, 383552, 623272, 767104, 1246544, 1534208, 2493088, 3068416, 4986176, 9972352, 19944704, 39889408]

約数ペア:

[(1, 39889408), (2, 19944704), (4, 9972352), (8, 4986176), (13, 3068416), (16, 2493088), (26, 1534208), (32, 1246544), (52, 767104), (64, 623272), (104, 383552), (128, 311636), (169, 236032), (208, 191776), (256, 155818), (338, 118016), (416, 95888), (461, 86528), (512, 77909), (676, 59008), (832, 47944), (922, 43264), (1352, 29504), (1664, 23972), (1844, 21632), (2704, 14752), (3328, 11986), (3688, 10816), (5408, 7376), (5993, 6656)]