15728128

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 80

約数和(自身を含む): 36091440

約数和(自身を除く): 20363312

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 139, 208, 221, 256, 272, 278, 416, 442, 512, 544, 556, 832, 884, 1088, 1112, 1664, 1768, 1807, 2176, 2224, 2363, 3328, 3536, 3614, 4352, 4448, 4726, 6656, 7072, 7228, 8704, 8896, 9452, 14144, 14456, 17792, 18904, 28288, 28912, 30719, 35584, 37808, 56576, 57824, 61438, 71168, 75616, 113152, 115648, 122876, 151232, 231296, 245752, 302464, 462592, 491504, 604928, 925184, 983008, 1209856, 1966016, 3932032, 7864064, 15728128]

約数ペア:

[(1, 15728128), (2, 7864064), (4, 3932032), (8, 1966016), (13, 1209856), (16, 983008), (17, 925184), (26, 604928), (32, 491504), (34, 462592), (52, 302464), (64, 245752), (68, 231296), (104, 151232), (128, 122876), (136, 115648), (139, 113152), (208, 75616), (221, 71168), (256, 61438), (272, 57824), (278, 56576), (416, 37808), (442, 35584), (512, 30719), (544, 28912), (556, 28288), (832, 18904), (884, 17792), (1088, 14456), (1112, 14144), (1664, 9452), (1768, 8896), (1807, 8704), (2176, 7228), (2224, 7072), (2363, 6656), (3328, 4726), (3536, 4448), (3614, 4352)]