81747968

素因数分解:

$2^{13}\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:630

約数の個数: 56

約数和(自身を含む): 173397672

約数和(自身を除く): 91649704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 587, 1024, 1088, 1174, 2048, 2176, 2348, 4096, 4352, 4696, 8192, 8704, 9392, 9979, 17408, 18784, 19958, 34816, 37568, 39916, 69632, 75136, 79832, 139264, 150272, 159664, 300544, 319328, 601088, 638656, 1202176, 1277312, 2404352, 2554624, 4808704, 5109248, 10218496, 20436992, 40873984, 81747968]

約数ペア:

[(1, 81747968), (2, 40873984), (4, 20436992), (8, 10218496), (16, 5109248), (17, 4808704), (32, 2554624), (34, 2404352), (64, 1277312), (68, 1202176), (128, 638656), (136, 601088), (256, 319328), (272, 300544), (512, 159664), (544, 150272), (587, 139264), (1024, 79832), (1088, 75136), (1174, 69632), (2048, 39916), (2176, 37568), (2348, 34816), (4096, 19958), (4352, 18784), (4696, 17408), (8192, 9979), (8704, 9392)]