28391168

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 64386000

約数和(自身を除く): 35994832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 449, 494, 608, 832, 898, 988, 1216, 1664, 1796, 1976, 2432, 3328, 3592, 3952, 4864, 5837, 7184, 7904, 8531, 11674, 14368, 15808, 17062, 23348, 28736, 31616, 34124, 46696, 57472, 63232, 68248, 93392, 110903, 114944, 136496, 186784, 221806, 272992, 373568, 443612, 545984, 747136, 887224, 1091968, 1494272, 1774448, 2183936, 3548896, 7097792, 14195584, 28391168]

約数ペア:

[(1, 28391168), (2, 14195584), (4, 7097792), (8, 3548896), (13, 2183936), (16, 1774448), (19, 1494272), (26, 1091968), (32, 887224), (38, 747136), (52, 545984), (64, 443612), (76, 373568), (104, 272992), (128, 221806), (152, 186784), (208, 136496), (247, 114944), (256, 110903), (304, 93392), (416, 68248), (449, 63232), (494, 57472), (608, 46696), (832, 34124), (898, 31616), (988, 28736), (1216, 23348), (1664, 17062), (1796, 15808), (1976, 14368), (2432, 11674), (3328, 8531), (3592, 7904), (3952, 7184), (4864, 5837)]