211380848

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{19457}}^1$

素因数の和:19569

約数の個数: 40

約数和(自身を含む): 472907232

約数和(自身を除く): 261526384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 19457, 38914, 77828, 136199, 155656, 272398, 311312, 544796, 1089592, 1887329, 2179184, 3774658, 7549316, 13211303, 15098632, 26422606, 30197264, 52845212, 105690424, 211380848]

約数ペア:

[(1, 211380848), (2, 105690424), (4, 52845212), (7, 30197264), (8, 26422606), (14, 15098632), (16, 13211303), (28, 7549316), (56, 3774658), (97, 2179184), (112, 1887329), (194, 1089592), (388, 544796), (679, 311312), (776, 272398), (1358, 155656), (1552, 136199), (2716, 77828), (5432, 38914), (10864, 19457)]