81692032

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 168544800

約数和(自身を除く): 86852768

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 89, 101, 128, 142, 178, 202, 284, 356, 404, 568, 712, 808, 1136, 1424, 1616, 2272, 2848, 3232, 4544, 5696, 6319, 6464, 7171, 8989, 9088, 11392, 12638, 12928, 14342, 17978, 25276, 28684, 35956, 50552, 57368, 71912, 101104, 114736, 143824, 202208, 229472, 287648, 404416, 458944, 575296, 638219, 808832, 917888, 1150592, 1276438, 2552876, 5105752, 10211504, 20423008, 40846016, 81692032]

約数ペア:

[(1, 81692032), (2, 40846016), (4, 20423008), (8, 10211504), (16, 5105752), (32, 2552876), (64, 1276438), (71, 1150592), (89, 917888), (101, 808832), (128, 638219), (142, 575296), (178, 458944), (202, 404416), (284, 287648), (356, 229472), (404, 202208), (568, 143824), (712, 114736), (808, 101104), (1136, 71912), (1424, 57368), (1616, 50552), (2272, 35956), (2848, 28684), (3232, 25276), (4544, 17978), (5696, 14342), (6319, 12928), (6464, 12638), (7171, 11392), (8989, 9088)]