87711448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 191543940

約数和(自身を除く): 103832492

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 251, 361, 418, 484, 502, 722, 836, 968, 1004, 1444, 1672, 2008, 2299, 2761, 2888, 3971, 4598, 4769, 5522, 7942, 9196, 9538, 11044, 15884, 18392, 19076, 22088, 30371, 31768, 38152, 43681, 52459, 60742, 87362, 90611, 104918, 121484, 174724, 181222, 209836, 242968, 349448, 362444, 419672, 577049, 724888, 996721, 1154098, 1993442, 2308196, 3986884, 4616392, 7973768, 10963931, 21927862, 43855724, 87711448]

約数ペア:

[(1, 87711448), (2, 43855724), (4, 21927862), (8, 10963931), (11, 7973768), (19, 4616392), (22, 3986884), (38, 2308196), (44, 1993442), (76, 1154098), (88, 996721), (121, 724888), (152, 577049), (209, 419672), (242, 362444), (251, 349448), (361, 242968), (418, 209836), (484, 181222), (502, 174724), (722, 121484), (836, 104918), (968, 90611), (1004, 87362), (1444, 60742), (1672, 52459), (2008, 43681), (2299, 38152), (2761, 31768), (2888, 30371), (3971, 22088), (4598, 19076), (4769, 18392), (5522, 15884), (7942, 11044), (9196, 9538)]