7880026008728

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{491}}^1\times {\mathrm{523}}^1\times {\mathrm{19471}}^1$

素因数の和:20688

約数の個数: 64

約数和(自身を含む): 14909511006720

約数和(自身を除く): 7029484997992

約数列:

[1, 2, 4, 8, 197, 394, 491, 523, 788, 982, 1046, 1576, 1964, 2092, 3928, 4184, 19471, 38942, 77884, 96727, 103031, 155768, 193454, 206062, 256793, 386908, 412124, 513586, 773816, 824248, 1027172, 2054344, 3835787, 7671574, 9560261, 10183333, 15343148, 19120522, 20366666, 30686296, 38241044, 40733332, 50588221, 76482088, 81466664, 101176442, 202352884, 404705768, 1883371417, 2006116601, 3766742834, 4012233202, 5000016503, 7533485668, 8024466404, 10000033006, 15066971336, 16048932808, 20000066012, 40000132024, 985003251091, 1970006502182, 3940013004364, 7880026008728]

約数ペア:

[(1, 7880026008728), (2, 3940013004364), (4, 1970006502182), (8, 985003251091), (197, 40000132024), (394, 20000066012), (491, 16048932808), (523, 15066971336), (788, 10000033006), (982, 8024466404), (1046, 7533485668), (1576, 5000016503), (1964, 4012233202), (2092, 3766742834), (3928, 2006116601), (4184, 1883371417), (19471, 404705768), (38942, 202352884), (77884, 101176442), (96727, 81466664), (103031, 76482088), (155768, 50588221), (193454, 40733332), (206062, 38241044), (256793, 30686296), (386908, 20366666), (412124, 19120522), (513586, 15343148), (773816, 10183333), (824248, 9560261), (1027172, 7671574), (2054344, 3835787)]