123878356

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3404

約数の個数: 48

約数和(自身を含む): 261775360

約数和(自身を除く): 137897004

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 602, 868, 1204, 1333, 2666, 3319, 5332, 6638, 9331, 13276, 18662, 23233, 37324, 46466, 92932, 102889, 142717, 205778, 285434, 411556, 570868, 720223, 999019, 1440446, 1998038, 2880892, 3996076, 4424227, 8848454, 17696908, 30969589, 61939178, 123878356]

約数ペア:

[(1, 123878356), (2, 61939178), (4, 30969589), (7, 17696908), (14, 8848454), (28, 4424227), (31, 3996076), (43, 2880892), (62, 1998038), (86, 1440446), (124, 999019), (172, 720223), (217, 570868), (301, 411556), (434, 285434), (602, 205778), (868, 142717), (1204, 102889), (1333, 92932), (2666, 46466), (3319, 37324), (5332, 23233), (6638, 18662), (9331, 13276)]