219865216

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1389

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 250150784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 272, 316, 544, 632, 1088, 1264, 1279, 1343, 2176, 2528, 2558, 2686, 5056, 5116, 5372, 10112, 10232, 10744, 20464, 21488, 21743, 40928, 42976, 43486, 81856, 85952, 86972, 101041, 163712, 171904, 173944, 202082, 347888, 404164, 695776, 808328, 1391552, 1616656, 1717697, 2783104, 3233312, 3435394, 6466624, 6870788, 12933248, 13741576, 27483152, 54966304, 109932608, 219865216]

約数ペア:

[(1, 219865216), (2, 109932608), (4, 54966304), (8, 27483152), (16, 13741576), (17, 12933248), (32, 6870788), (34, 6466624), (64, 3435394), (68, 3233312), (79, 2783104), (128, 1717697), (136, 1616656), (158, 1391552), (272, 808328), (316, 695776), (544, 404164), (632, 347888), (1088, 202082), (1264, 173944), (1279, 171904), (1343, 163712), (2176, 101041), (2528, 86972), (2558, 85952), (2686, 81856), (5056, 43486), (5116, 42976), (5372, 40928), (10112, 21743), (10232, 21488), (10744, 20464)]