1218520072

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1978117}}^1$

素因数の和:1978141

約数の個数: 32

約数和(自身を含む): 2848489920

約数和(自身を除く): 1629969848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 1978117, 3956234, 7912468, 13846819, 15824936, 21759287, 27693638, 43518574, 55387276, 87037148, 110774552, 152315009, 174074296, 304630018, 609260036, 1218520072]

約数ペア:

[(1, 1218520072), (2, 609260036), (4, 304630018), (7, 174074296), (8, 152315009), (11, 110774552), (14, 87037148), (22, 55387276), (28, 43518574), (44, 27693638), (56, 21759287), (77, 15824936), (88, 13846819), (154, 7912468), (308, 3956234), (616, 1978117)]