215101952

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1949

約数の個数: 80

約数和(自身を含む): 490327992

約数和(自身を除く): 275226040

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 512, 544, 832, 884, 1088, 1664, 1768, 1901, 2176, 3328, 3536, 3802, 4352, 6656, 7072, 7604, 8704, 14144, 15208, 24713, 28288, 30416, 32317, 49426, 56576, 60832, 64634, 98852, 113152, 121664, 129268, 197704, 243328, 258536, 395408, 420121, 486656, 517072, 790816, 840242, 973312, 1034144, 1581632, 1680484, 2068288, 3163264, 3360968, 4136576, 6326528, 6721936, 8273152, 12653056, 13443872, 16546304, 26887744, 53775488, 107550976, 215101952]

約数ペア:

[(1, 215101952), (2, 107550976), (4, 53775488), (8, 26887744), (13, 16546304), (16, 13443872), (17, 12653056), (26, 8273152), (32, 6721936), (34, 6326528), (52, 4136576), (64, 3360968), (68, 3163264), (104, 2068288), (128, 1680484), (136, 1581632), (208, 1034144), (221, 973312), (256, 840242), (272, 790816), (416, 517072), (442, 486656), (512, 420121), (544, 395408), (832, 258536), (884, 243328), (1088, 197704), (1664, 129268), (1768, 121664), (1901, 113152), (2176, 98852), (3328, 64634), (3536, 60832), (3802, 56576), (4352, 49426), (6656, 32317), (7072, 30416), (7604, 28288), (8704, 24713), (14144, 15208)]