28028416

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{4211}}^1$

素因数の和:4242

約数の個数: 40

約数和(自身を含む): 60324264

約数和(自身を除く): 32295848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 4211, 6656, 8422, 16844, 33688, 54743, 67376, 109486, 134752, 218972, 269504, 437944, 539008, 875888, 1078016, 1751776, 2156032, 3503552, 7007104, 14014208, 28028416]

約数ペア:

[(1, 28028416), (2, 14014208), (4, 7007104), (8, 3503552), (13, 2156032), (16, 1751776), (26, 1078016), (32, 875888), (52, 539008), (64, 437944), (104, 269504), (128, 218972), (208, 134752), (256, 109486), (416, 67376), (512, 54743), (832, 33688), (1664, 16844), (3328, 8422), (4211, 6656)]