199967456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{863}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 425222784

約数和(自身を除く): 225255328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 557, 863, 1114, 1726, 2228, 3452, 4456, 6904, 7241, 8912, 11219, 13808, 14482, 17824, 22438, 27616, 28964, 44876, 57928, 89752, 115856, 179504, 231712, 359008, 480691, 961382, 1922764, 3845528, 6248983, 7691056, 12497966, 15382112, 24995932, 49991864, 99983728, 199967456]

約数ペア:

[(1, 199967456), (2, 99983728), (4, 49991864), (8, 24995932), (13, 15382112), (16, 12497966), (26, 7691056), (32, 6248983), (52, 3845528), (104, 1922764), (208, 961382), (416, 480691), (557, 359008), (863, 231712), (1114, 179504), (1726, 115856), (2228, 89752), (3452, 57928), (4456, 44876), (6904, 28964), (7241, 27616), (8912, 22438), (11219, 17824), (13808, 14482)]