81520304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2801}}^1$

素因数の和:2933

約数の個数: 40

約数和(自身を含む): 168859728

約数和(自身を除く): 87339424

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 856, 1712, 1819, 2801, 3638, 5602, 7276, 11204, 14552, 22408, 29104, 44816, 47617, 95234, 190468, 299707, 380936, 599414, 761872, 1198828, 2397656, 4795312, 5095019, 10190038, 20380076, 40760152, 81520304]

約数ペア:

[(1, 81520304), (2, 40760152), (4, 20380076), (8, 10190038), (16, 5095019), (17, 4795312), (34, 2397656), (68, 1198828), (107, 761872), (136, 599414), (214, 380936), (272, 299707), (428, 190468), (856, 95234), (1712, 47617), (1819, 44816), (2801, 29104), (3638, 22408), (5602, 14552), (7276, 11204)]