67756768

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 138756240

約数和(自身を除く): 70999472

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 89, 148, 178, 296, 356, 592, 643, 712, 1184, 1286, 1424, 2572, 2848, 3293, 5144, 6586, 10288, 13172, 20576, 23791, 26344, 47582, 52688, 57227, 95164, 105376, 114454, 190328, 228908, 380656, 457816, 761312, 915632, 1831264, 2117399, 4234798, 8469596, 16939192, 33878384, 67756768]

約数ペア:

[(1, 67756768), (2, 33878384), (4, 16939192), (8, 8469596), (16, 4234798), (32, 2117399), (37, 1831264), (74, 915632), (89, 761312), (148, 457816), (178, 380656), (296, 228908), (356, 190328), (592, 114454), (643, 105376), (712, 95164), (1184, 57227), (1286, 52688), (1424, 47582), (2572, 26344), (2848, 23791), (3293, 20576), (5144, 13172), (6586, 10288)]