16278388

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 54

約数和(自身を含む): 34862226

約数和(自身を除く): 18583838

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 157, 161, 196, 314, 322, 529, 628, 644, 1058, 1099, 1127, 2116, 2198, 2254, 3611, 3703, 4396, 4508, 7222, 7406, 7693, 14444, 14812, 15386, 25277, 25921, 30772, 50554, 51842, 83053, 101108, 103684, 166106, 176939, 332212, 353878, 581371, 707756, 1162742, 2325484, 4069597, 8139194, 16278388]

約数ペア:

[(1, 16278388), (2, 8139194), (4, 4069597), (7, 2325484), (14, 1162742), (23, 707756), (28, 581371), (46, 353878), (49, 332212), (92, 176939), (98, 166106), (157, 103684), (161, 101108), (196, 83053), (314, 51842), (322, 50554), (529, 30772), (628, 25921), (644, 25277), (1058, 15386), (1099, 14812), (1127, 14444), (2116, 7693), (2198, 7406), (2254, 7222), (3611, 4508), (3703, 4396)]